Year | Value | 2021 | 798.71911862033 | 2020 | 790.9426901208 | 2019 | 718.78282872338 | 2018 | 636.48273130017 | 2017 | 604.07301196887 | 2016 | 554.50771032216 | 2015 | 484.61302662383 | 2014 | 427.13941908769 | 2013 | 365.1316860908 | 2012 | 338.78637607913 | 2011 | 253.31393156147 | 2010 | 249.83283068387 | 2009 | 276.40049061723 | 2008 | 232.33423699074 | 2007 | 167.09490950334 | 2006 | 137.89503270201 | 2005 | 109.39822244509 | 2004 | 85.47927958957 | 2003 | 64.657372095642 | 2002 | 75.708747660631 | 2001 | 90.085022938716 | 2000 | 92.329513848953 | 1999 | 88.538557522562 | 1998 | 78.600329616422 | 1997 | 95.505377516434 | 1996 | 96.726870934494 | 1995 | 85.439887682463 | 1994 | 90.050846220889 | 1993 | 133.03347287884 | 1992 | 163.00039486618 | 1991 | 229.39814758075 | 1990 | 215.52967448448 | 1989 | 213.81406041387 | 1988 | 211.86915102711 | 1987 | 215.36654946349 | 1986 | 206.47850836386 | 1985 | 213.59232751521 | 1984 | 179.72776714676 | 1983 | 195.36705085663 | 1982 | 164.61050375844 | 1981 | 172.65139968176 |
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