Year | Value | 2014 | 1,136.2504632681 | 2013 | 1,105.4447722053 | 2012 | 1,080.8767098365 | 2011 | 1,054.3664682297 | 2010 | 1,004.8229062464 | 2009 | 951.34158058597 | 2008 | 936.84828534315 | 2007 | 916.86347802309 | 2006 | 883.0418111114 | 2005 | 842.21418731034 | 2004 | 810.4222477156 | 2003 | 785.46593299785 | 2002 | 751.10405752696 | 2001 | 730.02319503287 | 2000 | 723.44672264369 | 1999 | 701.75332602618 | 1998 | 688.86243437826 | 1997 | 671.49884706492 | 1996 | 646.42134095968 | 1995 | 620.48935447588 | 1994 | 604.03953118614 | 1993 | 582.19032414317 | 1992 | 565.34074749226 | 1991 | 548.65676992631 | 1990 | 531.02432383826 | 1989 | 487.3230223029 | 1988 | 470.82100479538 | 1987 | 449.73051737398 | 1986 | 429.17348961855 | 1985 | 410.30519511958 | 1984 | 396.09237277738 | 1983 | 370.12590287077 | 1982 | 356.54542967361 | 1981 | 342.13613279589 | 1980 | 325.38160863962 | 1979 | 308.42514321653 | 1978 | 287.0761625827 | 1977 | 270.29972039082 | 1976 | 258.63424955988 | 1975 | 242.39382686242 | 1974 | 227.94538799736 | 1973 | 217.13928648813 | 1972 | 205.47066925659 | 1971 | 192.8316588528 |
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