Year | Value | 2021 | 1,844.8409801035 | 2020 | 1,935.7763644764 | 2019 | 1,957.6962982502 | 2018 | 1,960.1597066576 | 2017 | 1,851.6526560915 | 2016 | 1,791.827900126 | 2015 | 1,646.6658981196 | 2014 | 1,526.0424050296 | 2013 | 1,364.3865567406 | 2012 | 1,155.4140942911 | 2011 | 942.86027699445 | 2010 | 779.53837915114 | 2009 | 705.484993896 | 2008 | 640.46258232255 | 2007 | 526.5466954225 | 2006 | 426.88418691504 | 2005 | 371.38540679729 | 2004 | 319.69021686981 | 2003 | 269.37803736944 | 2002 | 250.93204537292 | 2001 | 252.20127442172 | 2000 | 243.76196198897 | 1999 | 213.20451527763 | 1998 | 177.26708483416 | 1997 | 254.95535001933 | 1996 | 285.01936910268 | 1995 | 271.57228999524 | 1994 | 253.25121642416 | 1993 | 224.38613701058 | 1992 | 194.38784384305 | 1991 | 184.51022577554 | 1990 | 162.66306273125 | 1989 | 139.24281740867 | 1988 | 118.64479361894 | 1987 | 232.84954880719 | 1986 | 402.22166838441 | 1985 | 559.78479270889 | 1984 | 421.26701102396 |
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