| Year | Value | | 2024 | 110,524 | | 2023 | 108,968 | | 2022 | 106,374 | | 2021 | 103,657 | | 2020 | 101,417 | | 2019 | 99,118 | | 2018 | 96,772 | | 2017 | 94,574 | | 2016 | 92,267 | | 2015 | 89,779 | | 2014 | 87,179 | | 2013 | 84,479 | | 2012 | 81,712 | | 2011 | 79,016 | | 2010 | 76,473 | | 2009 | 74,008 | | 2008 | 71,545 | | 2007 | 69,116 | | 2006 | 66,763 | | 2005 | 64,502 | | 2004 | 62,375 | | 2003 | 60,362 | | 2002 | 58,413 | | 2001 | 56,544 | | 2000 | 54,738 | | 1999 | 52,983 | | 1998 | 51,285 | | 1997 | 49,647 | | 1996 | 48,061 | | 1995 | 46,512 | | 1994 | 45,001 | | 1993 | 43,542 | | 1992 | 42,138 | | 1991 | 40,789 | | 1990 | 39,488 | | 1989 | 38,234 | | 1988 | 37,048 | | 1987 | 35,921 | | 1986 | 34,835 | | 1985 | 33,798 | | 1984 | 32,811 | | 1983 | 31,874 | | 1982 | 30,987 | | 1981 | 30,156 | | 1980 | 29,380 | | 1979 | 28,665 | | 1978 | 28,015 | | 1977 | 27,421 | | 1976 | 26,850 | | 1975 | 26,272 |
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