Year | Value | 2014 | 728.22290619197 | 2013 | 682.93415768212 | 2012 | 642.59174127697 | 2011 | 617.91535136818 | 2010 | 586.30946849687 | 2009 | 537.54149829321 | 2008 | 519.30081524459 | 2007 | 530.21515881947 | 2006 | 499.12692086056 | 2005 | 469.21381519033 | 2004 | 439.98233994435 | 2003 | 429.92574672273 | 2002 | 422.33188545065 | 2001 | 408.75436366721 | 2000 | 407.44095888396 | 1999 | 409.1691815621 | 1998 | 395.80409049047 | 1997 | 378.73486089727 | 1996 | 360.10362272756 | 1995 | 341.7726087363 | 1994 | 322.99061494554 | 1993 | 303.00262880627 | 1992 | 280.88751800513 | 1991 | 271.50166924527 | 1990 | 257.46195777624 | 1989 | 249.3834128228 | 1988 | 237.65180615373 | 1987 | 225.9273303616 | 1986 | 227.38483065657 | 1985 | 237.09485203496 | 1984 | 244.56463496209 | 1983 | 246.38026866559 | 1982 | 257.21409593335 | 1981 | 258.57113861699 | 1980 | 246.50946777665 | 1979 | 231.00039569512 | 1978 | 221.64978895878 | 1977 | 210.85337450225 | 1976 | 194.68552376794 | 1975 | 184.87547037936 | 1974 | 177.31186044819 | 1973 | 169.71805587967 | 1972 | 170.01112269087 | 1971 | 162.10680833664 |
|