| Year | Value | | 2024 | 124,190 | | 2023 | 122,368 | | 2022 | 120,945 | | 2021 | 119,694 | | 2020 | 118,717 | | 2019 | 118,615 | | 2018 | 119,382 | | 2017 | 120,755 | | 2016 | 122,515 | | 2015 | 124,417 | | 2014 | 126,280 | | 2013 | 128,081 | | 2012 | 129,807 | | 2011 | 131,651 | | 2010 | 133,414 | | 2009 | 134,499 | | 2008 | 132,231 | | 2007 | 127,112 | | 2006 | 122,323 | | 2005 | 117,333 | | 2004 | 111,944 | | 2003 | 109,784 | | 2002 | 110,242 | | 2001 | 109,821 | | 2000 | 108,681 | | 1999 | 107,324 | | 1998 | 106,388 | | 1997 | 106,024 | | 1996 | 106,410 | | 1995 | 107,355 | | 1994 | 108,262 | | 1993 | 109,043 | | 1992 | 99,116 | | 1991 | 88,570 | | 1990 | 87,946 | | 1989 | 87,304 | | 1988 | 85,701 | | 1987 | 81,226 | | 1986 | 76,902 | | 1985 | 74,374 | | 1984 | 71,458 | | 1983 | 68,023 | | 1982 | 66,292 | | 1981 | 66,096 | | 1980 | 79,579 | | 1979 | 91,500 | | 1978 | 84,469 | | 1977 | 76,705 | | 1976 | 73,073 | | 1975 | 70,480 |
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