Identifier: 001002810
Date of last update: May 14, 2013
| Month | Year | Value (in millions) |
|---|---|---|
| March | 2013 | 49 |
| February | 2013 | 49 |
| January | 2013 | 49 |
| December | 2012 | 49 |
| November | 2012 | 49 |
| October | 2012 | 49 |
| September | 2012 | 49 |
| August | 2012 | 49 |
| July | 2012 | 49 |
| June | 2012 | 49 |
| May | 2012 | 49 |
| April | 2012 | 49 |
| March | 2012 | 49 |
| February | 2012 | 49 |
| January | 2012 | 49 |
| December | 2011 | 45 |
| November | 2011 | 45 |
| October | 2011 | 81 |
| September | 2011 | 47 |
| August | 2011 | 46 |
| July | 2011 | 82 |
| June | 2011 | 46 |
| May | 2011 | 46 |
| April | 2011 | 82 |
| March | 2011 | 46 |
| February | 2011 | 45 |
| January | 2011 | 82 |
| December | 2010 | 58 |
| November | 2010 | 59 |
| October | 2010 | 60 |
| September | 2010 | 64 |
| August | 2010 | 57 |
| July | 2010 | 66 |
| June | 2010 | 64 |
| May | 2010 | 65 |
| April | 2010 | 70 |
| March | 2010 | 74 |
| February | 2010 | 58 |
| January | 2010 | 61 |
| December | 2009 | 67 |
| November | 2009 | 59 |
| October | 2009 | 61 |
| September | 2009 | 65 |
| August | 2009 | 59 |
| July | 2009 | 62 |
| June | 2009 | 63 |
| May | 2009 | 66 |
| April | 2009 | 66 |
| March | 2009 | 70 |
| February | 2009 | 65 |
| January | 2009 | 67 |
| December | 2008 | 63 |
| November | 2008 | 68 |
| October | 2008 | 72 |
| September | 2008 | 68 |
| August | 2008 | 62 |
| July | 2008 | 72 |
| June | 2008 | 66 |
| May | 2008 | 62 |
| April | 2008 | 63 |
| March | 2008 | 65 |
| February | 2008 | 67 |
| January | 2008 | 69 |
| December | 2007 | 73 |
| November | 2007 | 73 |
| October | 2007 | 73 |
| September | 2007 | 71 |
| August | 2007 | 75 |
| July | 2007 | 73 |
| June | 2007 | 86 |
| May | 2007 | 80 |
| April | 2007 | 71 |
| March | 2007 | 72 |
| February | 2007 | 70 |
| January | 2007 | 65 |
| December | 2006 | 68 |
| November | 2006 | 79 |
| October | 2006 | 75 |
| September | 2006 | 81 |
| August | 2006 | 77 |
| July | 2006 | 84 |
| June | 2006 | 78 |
| May | 2006 | 76 |
| April | 2006 | 72 |
| March | 2006 | 77 |
| February | 2006 | 72 |
| January | 2006 | 74 |
| December | 2005 | 35 |
| November | 2005 | 28 |
| October | 2005 | 26 |
| September | 2005 | 32 |
| August | 2005 | 26 |
| July | 2005 | 35 |
| June | 2005 | 40 |
| May | 2005 | 48 |
| April | 2005 | 38 |
| March | 2005 | 35 |
| February | 2005 | 34 |
| January | 2005 | 32 |
| December | 2004 | 38 |
| November | 2004 | 27 |
| October | 2004 | 29 |
| September | 2004 | 29 |
| August | 2004 | 22 |
| July | 2004 | 38 |
| June | 2004 | 37 |
| May | 2004 | 25 |
| April | 2004 | 25 |
| March | 2004 | 31 |
| February | 2004 | 36 |
| January | 2004 | 31 |
| December | 2003 | 37 |
| November | 2003 | 30 |
| October | 2003 | 36 |
| September | 2003 | 32 |
| August | 2003 | 27 |
| July | 2003 | 34 |
| June | 2003 | 30 |
| May | 2003 | 32 |
| April | 2003 | 31 |
| March | 2003 | 31 |
| February | 2003 | 36 |
| January | 2003 | 51 |
| December | 2002 | 87 |
| November | 2002 | 75 |
| October | 2002 | 73 |
| September | 2002 | 64 |
| August | 2002 | 64 |
| July | 2002 | 73 |
| June | 2002 | 65 |
| May | 2002 | 64 |
| April | 2002 | 58 |
| March | 2002 | 67 |
| February | 2002 | 52 |
| January | 2002 | 59 |
| December | 2001 | 83 |
| November | 2001 | 72 |
| October | 2001 | 80 |
| September | 2001 | 68 |
| August | 2001 | 68 |
| July | 2001 | 76 |
| June | 2001 | 72 |
| May | 2001 | 72 |
| April | 2001 | 64 |
| March | 2001 | 69 |
| February | 2001 | 53 |
| January | 2001 | 61 |
| December | 2000 | 70 |
| November | 2000 | 62 |
| October | 2000 | 64 |
| September | 2000 | 67 |
| August | 2000 | 61 |
| July | 2000 | 66 |
| June | 2000 | 66 |
| May | 2000 | 81 |
| April | 2000 | 53 |
| March | 2000 | 65 |
| February | 2000 | 47 |
| January | 2000 | 37 |
| December | 1999 | 46 |
| November | 1999 | 52 |
| October | 1999 | 52 |
| September | 1999 | 58 |
| August | 1999 | 52 |
| July | 1999 | 59 |
| June | 1999 | 47 |
| May | 1999 | 51 |
| April | 1999 | 55 |
| March | 1999 | 74 |
| February | 1999 | 41 |
| January | 1999 | 74 |
| December | 1998 | 77 |
| November | 1998 | 47 |
| October | 1998 | 52 |
| September | 1998 | 53 |
| August | 1998 | 47 |
| July | 1998 | 60 |
| June | 1998 | 56 |
| May | 1998 | 48 |
| April | 1998 | 53 |
| March | 1998 | 63 |
| February | 1998 | 42 |
| January | 1998 | 45 |
| December | 1997 | 86 |
| November | 1997 | 45 |
| October | 1997 | 60 |
| September | 1997 | 54 |
| August | 1997 | 37 |
| July | 1997 | 56 |
| June | 1997 | 51 |
| May | 1997 | 52 |
| April | 1997 | 53 |
| March | 1997 | 39 |
| February | 1997 | 41 |
| January | 1997 | 46 |