Year | Value | 2021 | 1,472.2544108483 | 2020 | 1,161.171248864 | 2019 | 1,218.1640670779 | 2018 | 1,980.6075609368 | 2017 | 907.63369088326 | 2016 | 1,082.175059732 | 2015 | 1,088.1884478843 | 2014 | 1,081.8983089806 | 2013 | 1,118.834349009 | 2012 | 977.26472731887 | 2011 | 799.04546163862 | 2010 | 729.93840385296 | 2009 | 583.82855744491 | 2008 | 19.128715282365 | 2007 | 123.2625080579 | 2006 | 162.16223608299 | 2005 | 228.56445124761 | 2004 | 233.43821892688 | 2003 | 269.9038908737 | 2002 | 315.5450283585 | 2001 | 333.05794914116 | 2000 | 308.32133770236 | 1999 | 338.24474266496 | 1998 | 283.13309904029 | 1997 | 457.57275262081 | 1996 | 519.03229623146 | 1995 | 399.98620601896 | 1994 | 412.04600552604 | 1993 | 426.48179937501 | 1992 | 428.21765418671 | 1991 | 603.63541260598 | 1990 | 656.4336177714 | 1989 | 660.72496647587 | 1988 | 613.0592242268 | 1987 | 546.40485347433 | 1986 | 532.03861321027 | 1985 | 529.90659005948 | 1984 | 632.35758686083 | 1983 | 766.98962506903 | 1982 | 861.09139588519 | 1981 | 911.98223150927 | 1980 | 760.84291808908 | 1979 | 658.85309707785 | 1978 | 569.50012347409 | 1977 | 560.41782946772 | 1976 | 577.91169042436 | 1975 | 618.82933507261 | 1974 | 587.83573707946 | 1973 | 510.98186629448 | 1972 | 424.98427555314 | 1971 | 351.72223742293 |
|