Identifier: 000641875
Date of last update: April 22, 2013
| Month | Year | Value |
|---|---|---|
| March | 2013 | 440.1 |
| February | 2013 | 441.1 |
| January | 2013 | 441.1 |
| December | 2012 | 441.1 |
| November | 2012 | 440.4 |
| October | 2012 | 424.0 |
| September | 2012 | 424.0 |
| August | 2012 | 423.4 |
| July | 2012 | 423.4 |
| June | 2012 | 423.4 |
| May | 2012 | 423.4 |
| April | 2012 | 423.4 |
| March | 2012 | 423.4 |
| February | 2012 | 423.4 |
| January | 2012 | 423.4 |
| December | 2011 | 417.1 |
| November | 2011 | 390.5 |
| October | 2011 | 390.5 |
| September | 2011 | 390.5 |
| August | 2011 | 395.9 |
| July | 2011 | 397.1 |
| June | 2011 | 397.1 |
| May | 2011 | 397.1 |
| April | 2011 | 392.7 |
| March | 2011 | 392.7 |
| February | 2011 | 392.7 |
| January | 2011 | 386.3 |
| December | 2010 | 383.8 |
| November | 2010 | 383.8 |
| October | 2010 | 384.6 |
| September | 2010 | 384.6 |
| August | 2010 | 384.6 |
| July | 2010 | 384.6 |
| June | 2010 | 384.6 |
| May | 2010 | 384.6 |
| April | 2010 | 382.9 |
| March | 2010 | 382.9 |
| February | 2010 | 382.9 |
| January | 2010 | 382.9 |
| December | 2009 | 369.3 |
| November | 2009 | 367.9 |
| October | 2009 | 367.8 |
| September | 2009 | 367.8 |
| August | 2009 | 367.7 |
| July | 2009 | 367.7 |
| June | 2009 | 367.7 |
| May | 2009 | 367.7 |
| April | 2009 | 288.4 |
| March | 2009 | 291.3 |
| February | 2009 | 288.4 |
| January | 2009 | 254.4 |
| December | 2008 | 254.4 |
| November | 2008 | 254.4 |
| October | 2008 | 254.4 |
| September | 2008 | 254.4 |
| August | 2008 | 254.4 |
| July | 2008 | 254.4 |
| June | 2008 | 254.4 |
| May | 2008 | 254.4 |
| April | 2008 | 254.4 |
| March | 2008 | 254.4 |
| February | 2008 | 254.4 |
| January | 2008 | 254.4 |
| December | 2007 | 250.1 |
| November | 2007 | 250.1 |
| October | 2007 | 250.1 |
| September | 2007 | 250.1 |
| August | 2007 | 242.8 |
| July | 2007 | 242.3 |
| June | 2007 | 242.3 |
| May | 2007 | 242.3 |
| April | 2007 | 242.3 |
| March | 2007 | 240.9 |
| February | 2007 | 215.2 |
| January | 2007 | 215.2 |
| December | 2006 | 215.2 |
| November | 2006 | 215.2 |
| October | 2006 | 215.2 |
| September | 2006 | 215.2 |
| August | 2006 | 215.2 |
| July | 2006 | 215.2 |
| June | 2006 | 215.2 |
| May | 2006 | 215.2 |
| April | 2006 | 215.2 |
| March | 2006 | 215.2 |
| February | 2006 | 215.2 |
| January | 2006 | 215.2 |
| December | 2005 | 215.2 |
| November | 2005 | 215.2 |
| October | 2005 | 215.2 |
| September | 2005 | 215.2 |
| August | 2005 | 192.9 |
| July | 2005 | 192.9 |
| June | 2005 | 192.9 |
| May | 2005 | 192.9 |
| April | 2005 | 192.9 |
| March | 2005 | 185.4 |
| February | 2005 | 185.4 |
| January | 2005 | 185.4 |
| December | 2004 | 185.4 |
| November | 2004 | 185.4 |
| October | 2004 | 185.4 |
| September | 2004 | 185.4 |
| August | 2004 | 185.4 |
| July | 2004 | 185.4 |
| June | 2004 | 185.4 |
| May | 2004 | 185.4 |
| April | 2004 | 185.4 |
| March | 2004 | 185.4 |
| February | 2004 | 174.9 |
| January | 2004 | 167.9 |
| December | 2003 | 168.3 |
| November | 2003 | 167.9 |
| October | 2003 | 156.0 |
| September | 2003 | 156.0 |
| August | 2003 | 156.0 |
| July | 2003 | 154.8 |
| June | 2003 | 154.8 |
| May | 2003 | 154.8 |
| April | 2003 | 154.6 |
| March | 2003 | 154.6 |
| February | 2003 | 154.6 |
| January | 2003 | 154.6 |
| December | 2002 | 139.1 |
| November | 2002 | 139.1 |
| October | 2002 | 139.1 |
| September | 2002 | 139.1 |
| August | 2002 | 139.1 |
| July | 2002 | 139.1 |
| June | 2002 | 139.1 |
| May | 2002 | 139.1 |
| April | 2002 | 139.1 |
| March | 2002 | 139.1 |
| February | 2002 | 138.6 |
| January | 2002 | 138.6 |
| December | 2001 | 124.5 |
| November | 2001 | 124.5 |
| October | 2001 | 124.5 |
| September | 2001 | 124.5 |
| August | 2001 | 124.5 |
| July | 2001 | 124.5 |
| June | 2001 | 124.5 |
| May | 2001 | 124.5 |
| April | 2001 | 124.5 |
| March | 2001 | 124.5 |
| February | 2001 | 112.2 |
| January | 2001 | 112.2 |
| December | 2000 | 112.2 |
| November | 2000 | 112.2 |
| October | 2000 | 112.2 |
| September | 2000 | 107.8 |
| August | 2000 | 107.8 |
| July | 2000 | 107.8 |
| June | 2000 | 107.8 |
| May | 2000 | 107.1 |
| April | 2000 | 106.9 |
| March | 2000 | 106.9 |
| February | 2000 | 106.9 |
| January | 2000 | 106.9 |
| December | 1999 | 98.4 |
| November | 1999 | 100.0 |
| October | 1999 | 100.0 |
| September | 1999 | 100.0 |
| August | 1999 | 100.0 |
| July | 1999 | 100.0 |
| June | 1999 | 100.0 |
| May | 1999 | 100.0 |
| April | 1999 | 100.0 |
| March | 1999 | 100.0 |
| February | 1999 | 100.0 |
| January | 1999 | 100.0 |
| December | 1998 | 100.0 |
| November | 1998 | 100.0 |
| October | 1998 | 100.0 |
| September | 1998 | 100.0 |
| August | 1998 | 100.0 |
| July | 1998 | 100.0 |
| June | 1998 | 100.0 |
| May | 1998 | 100.0 |
| April | 1998 | 100.0 |
| March | 1998 | 100.0 |
| February | 1998 | 100.0 |
| January | 1998 | 100.0 |