Year | Value | 2021 | 2,999.3894900262 | 2020 | 2,082.3857638593 | 2019 | 2,463.2880465824 | 2018 | 2,782.6335084961 | 2017 | 4,560.0985820964 | 2016 | 4,454.510584223 | 2015 | 3,972.0558596494 | 2014 | 4,589.0817479499 | 2013 | 5,039.6973020711 | 2012 | 6,821.1543958143 | 2011 | 6,843.2778928158 | 2010 | 5,394.0550163148 | 2009 | 4,613.6202706513 | 2008 | 4,438.4769374994 | 2007 | 3,902.7635747869 | 2006 | 2,940.6699483172 | 2005 | 2,548.5140972167 | 2004 | 2,196.9516688055 | 2003 | 1,833.5794348357 | 2002 | 1,563.1809920623 | 2001 | 1,491.4731572326 | 2000 | 1,246.4937625196 | 1999 | 1,386.638485044 | 1998 | 1,371.263782883 | 1997 | 1,390.9716592398 | 1996 | 1,454.5005811673 | 1995 | 1,159.2306666405 | 1994 | 858.11175611949 | 1993 | 746.80214913816 | 1990 | 1,643.2760365183 | 1989 | 1,709.5846947611 | 1988 | 1,844.3132236569 | 1987 | 2,079.9496004622 | 1986 | 3,451.9410297836 | 1985 | 3,015.0447749768 | 1984 | 2,799.672432099 | 1983 | 2,793.9272800154 | 1982 | 2,264.2577540488 | 1981 | 1,829.8134070885 | 1980 | 1,725.8092008271 | 1979 | 1,691.8820918341 | 1978 | 1,384.1312582463 | 1977 | 1,576.1823699248 | 1976 | 1,358.1543531142 | 1975 | 1,047.4734656594 | 1974 | 851.02715953667 | 1973 | 647.65202379124 | 1972 | 417.65785652111 | 1971 | 340.75869489241 | 1970 | 284.19807576736 |
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