Identifier: 000484334
Date of last update: May 16, 2013
| Month | Year | Value |
|---|---|---|
| April | 2013 | 2,029.8 |
| March | 2013 | 2,183.1 |
| February | 2013 | 2,375.8 |
| January | 2013 | 2,339.8 |
| December | 2012 | 2,274.8 |
| November | 2012 | 2,179.1 |
| October | 2012 | 2,153.0 |
| September | 2012 | 2,168.9 |
| August | 2012 | 1,895.4 |
| July | 2012 | 1,876.0 |
| June | 2012 | 1,854.4 |
| May | 2012 | 1,998.5 |
| April | 2012 | 2,062.7 |
| March | 2012 | 2,061.0 |
| February | 2012 | 2,125.8 |
| January | 2012 | 2,093.7 |
| December | 2011 | 2,017.0 |
| November | 2011 | 1,981.6 |
| October | 2011 | 1,948.3 |
| September | 2011 | 2,297.9 |
| August | 2011 | 2,404.1 |
| July | 2011 | 2,682.0 |
| June | 2011 | 2,511.6 |
| May | 2011 | 2,419.5 |
| April | 2011 | 2,740.6 |
| March | 2011 | 2,623.3 |
| February | 2011 | 2,586.1 |
| January | 2011 | 2,600.9 |
| December | 2010 | 2,411.9 |
| November | 2010 | 2,376.1 |
| October | 2010 | 2,379.0 |
| September | 2010 | 2,183.7 |
| August | 2010 | 2,074.8 |
| July | 2010 | 1,836.4 |
| June | 2010 | 1,703.4 |
| May | 2010 | 1,882.2 |
| April | 2010 | 2,264.5 |
| March | 2010 | 2,171.7 |
| February | 2010 | 2,122.5 |
| January | 2010 | 2,367.7 |
| December | 2009 | 2,327.7 |
| November | 2009 | 2,308.2 |
| October | 2009 | 2,240.0 |
| September | 2009 | 2,203.8 |
| August | 2009 | 1,899.3 |
| July | 2009 | 1,678.1 |
| June | 2009 | 1,673.6 |
| May | 2009 | 1,439.6 |
| April | 2009 | 1,382.1 |
| March | 2009 | 1,238.3 |
| February | 2009 | 1,099.6 |
| January | 2009 | 1,131.6 |
| December | 2008 | 961.9 |
| November | 2008 | 1,290.2 |
| October | 2008 | 1,478.9 |
| September | 2008 | 1,867.7 |
| August | 2008 | 1,931.9 |
| July | 2008 | 1,944.2 |
| June | 2008 | 1,862.3 |
| May | 2008 | 2,234.1 |
| April | 2008 | 2,821.7 |
| March | 2008 | 3,007.3 |
| February | 2008 | 3,078.8 |
| January | 2008 | 2,606.9 |
| December | 2007 | 2,595.3 |
| November | 2007 | 3,327.0 |
| October | 2007 | 3,718.5 |
| September | 2007 | 3,225.0 |
| August | 2007 | 3,118.1 |
| July | 2007 | 3,082.8 |
| June | 2007 | 2,425.2 |
| May | 2007 | 2,099.7 |
| April | 2007 | 1,999.8 |
| March | 2007 | 1,913.1 |
| February | 2007 | 1,778.6 |
| January | 2007 | 1,665.3 |
| December | 2006 | 1,724.4 |
| November | 2006 | 1,624.1 |
| October | 2006 | 1,530.6 |
| September | 2006 | 1,341.5 |
| August | 2006 | 1,173.4 |
| July | 2006 | 1,051.7 |
| June | 2006 | 963.3 |
| May | 2006 | 1,166.2 |
| April | 2006 | 1,169.9 |
| March | 2006 | 1,191.7 |
| February | 2006 | 1,276.2 |
| January | 2006 | 1,255.7 |
| December | 2005 | 1,123.5 |
| November | 2005 | 1,017.9 |
| October | 2005 | 1,004.2 |
| September | 2005 | 932.3 |
| August | 2005 | 886.5 |
| July | 2005 | 854.1 |
| June | 2005 | 985.7 |
| May | 2005 | 987.7 |
| April | 2005 | 985.3 |
| March | 2005 | 1,005.2 |
| February | 2005 | 977.0 |
| January | 2005 | 952.4 |
| December | 2004 | 974.4 |
| November | 2004 | 967.3 |
| October | 2004 | 931.9 |
| September | 2004 | 934.9 |
| August | 2004 | 920.8 |
| July | 2004 | 938.9 |
| June | 2004 | 869.7 |
| May | 2004 | 808.4 |
| April | 2004 | 753.2 |
| March | 2004 | 886.0 |
| February | 2004 | 888.0 |
| January | 2004 | 758.0 |
| December | 2003 | 691.7 |
| November | 2003 | 621.7 |
| October | 2003 | 586.8 |
| September | 2003 | 520.9 |
| August | 2003 | 495.9 |
| July | 2003 | 514.4 |
| June | 2003 | 467.7 |
| May | 2003 | 463.1 |
| April | 2003 | 437.0 |
| March | 2003 | 456.4 |
| February | 2003 | 475.4 |
| January | 2003 | 444.3 |
| December | 2002 | 443.2 |
| November | 2002 | 441.8 |
| October | 2002 | 417.8 |
| September | 2002 | 420.9 |
| August | 2002 | 422.9 |
| July | 2002 | 445.7 |
| June | 2002 | 439.7 |
| May | 2002 | 451.5 |
| April | 2002 | 472.0 |
| March | 2002 | 479.8 |
| February | 2002 | 479.6 |
| January | 2002 | 512.6 |
| December | 2001 | 482.8 |
| November | 2001 | 486.1 |
| October | 2001 | 467.6 |
| September | 2001 | 464.4 |
| August | 2001 | 482.6 |
| July | 2001 | 461.2 |
| June | 2001 | 443.8 |
| May | 2001 | 466.3 |
| April | 2001 | 477.1 |
| March | 2001 | 498.0 |
| February | 2001 | 501.5 |
| January | 2001 | 477.9 |
| December | 2000 | 462.0 |
| November | 2000 | 467.7 |
| October | 2000 | 485.7 |
| September | 2000 | 486.7 |
| August | 2000 | 472.7 |
| July | 2000 | 451.7 |
| June | 2000 | 419.2 |
| May | 2000 | 411.8 |
| April | 2000 | 420.8 |
| March | 2000 | 440.9 |
| February | 2000 | 452.0 |
| January | 2000 | 471.7 |
| December | 1999 | 478.7 |
| November | 1999 | 477.9 |
| October | 1999 | 496.8 |
| September | 1999 | 506.9 |
| August | 1999 | 502.7 |
| July | 1999 | 495.5 |
| June | 1999 | 495.8 |
| May | 1999 | 542.1 |
| April | 1999 | 518.3 |
| March | 1999 | 507.8 |
| February | 1999 | 513.7 |
| January | 1999 | 492.3 |
| December | 1998 | 501.3 |
| November | 1998 | 494.1 |
| October | 1998 | 492.8 |
| September | 1998 | 519.7 |
| August | 1998 | 536.7 |
| July | 1998 | 546.2 |
| June | 1998 | 528.3 |
| May | 1998 | 543.5 |
| April | 1998 | 573.3 |
| March | 1998 | 559.8 |
| February | 1998 | 516.4 |
| January | 1998 | 531.6 |
| December | 1997 | 526.6 |
| November | 1997 | 563.4 |
| October | 1997 | 600.3 |
| September | 1997 | 634.3 |
| August | 1997 | 608.1 |
| July | 1997 | 634.3 |
| June | 1997 | 614.9 |
| May | 1997 | 618.6 |
| April | 1997 | 642.5 |
| March | 1997 | 694.6 |
| February | 1997 | 660.2 |
| January | 1997 | 692.3 |
| December | 1996 | 688.8 |
| November | 1996 | 716.5 |
| October | 1996 | 741.9 |
| September | 1996 | 796.4 |
| August | 1996 | 815.7 |
| July | 1996 | 783.7 |
| June | 1996 | 796.5 |
| May | 1996 | 840.2 |
| April | 1996 | 815.2 |
| March | 1996 | 817.9 |
| February | 1996 | 769.7 |
| January | 1996 | 709.5 |
| December | 1995 | 731.6 |
| November | 1995 | 713.6 |
| October | 1995 | 639.1 |
| September | 1995 | 592.7 |
| August | 1995 | 623.6 |
| July | 1995 | 621.9 |
| June | 1995 | 611.8 |
| May | 1995 | 596.5 |
| April | 1995 | 608.5 |
| March | 1995 | 585.6 |
| February | 1995 | 579.9 |
| January | 1995 | 666.6 |
| December | 1994 | 634.3 |
| November | 1994 | 667.2 |
| October | 1994 | 641.8 |
| September | 1994 | 613.5 |
| August | 1994 | 570.8 |
| July | 1994 | 580.5 |
| June | 1994 | 525.0 |
| May | 1994 | 474.3 |
| April | 1994 | 439.8 |
| March | 1994 | 451.5 |
| February | 1994 | 485.4 |
| January | 1994 | 490.1 |
| December | 1993 | 461.8 |
| November | 1993 | 400.3 |
| October | 1993 | 384.3 |
| September | 1993 | 375.7 |
| August | 1993 | 388.2 |
| July | 1993 | 388.3 |
| June | 1993 | 396.3 |
| May | 1993 | 407.7 |
| April | 1993 | 423.3 |
| March | 1993 | 406.3 |
| February | 1993 | 415.2 |
| January | 1993 | 438.4 |
| December | 1992 | 455.9 |
| November | 1992 | 462.2 |
| October | 1992 | 539.5 |
| September | 1992 | 623.7 |
| August | 1992 | 657.5 |
| July | 1992 | 631.5 |
| June | 1992 | 551.7 |
| May | 1992 | 520.8 |
| April | 1992 | 533.5 |
| March | 1992 | 522.9 |
| February | 1992 | 505.9 |
| January | 1992 | 517.9 |
| December | 1991 | 535.1 |
| November | 1991 | 507.0 |
| October | 1991 | 522.8 |
| September | 1991 | 539.7 |
| August | 1991 | 541.6 |
| July | 1991 | 548.6 |
| June | 1991 | 550.2 |
| May | 1991 | 559.2 |
| April | 1991 | 602.1 |
| March | 1991 | 606.6 |
| February | 1991 | 595.1 |
| January | 1991 | 602.0 |
| December | 1990 | 620.6 |
| November | 1990 | 702.5 |
| October | 1990 | 763.0 |
| September | 1990 | 839.6 |
| August | 1990 | 875.1 |
| July | 1990 | 876.4 |
| June | 1990 | 842.3 |
| May | 1990 | 826.1 |
| April | 1990 | 830.5 |
| March | 1990 | 1,053.6 |
| February | 1990 | 779.3 |
| January | 1990 | 707.6 |