| Year | Value | | 2024 | 106,736 | | 2023 | 102,489 | | 2022 | 98,070 | | 2021 | 94,780 | | 2020 | 91,463 | | 2019 | 87,268 | | 2018 | 83,347 | | 2017 | 80,126 | | 2016 | 77,445 | | 2015 | 75,193 | | 2014 | 72,599 | | 2013 | 69,621 | | 2012 | 66,690 | | 2011 | 63,426 | | 2010 | 60,654 | | 2009 | 58,493 | | 2008 | 55,943 | | 2007 | 54,231 | | 2006 | 52,743 | | 2005 | 50,218 | | 2004 | 48,100 | | 2003 | 46,047 | | 2002 | 42,979 | | 2001 | 40,464 | | 2000 | 39,814 | | 1999 | 38,992 | | 1998 | 37,241 | | 1997 | 35,553 | | 1996 | 33,908 | | 1995 | 32,259 | | 1994 | 30,413 | | 1993 | 27,703 | | 1992 | 24,439 | | 1991 | 22,417 | | 1990 | 21,999 | | 1989 | 21,662 | | 1988 | 21,043 | | 1987 | 20,922 | | 1986 | 21,193 | | 1985 | 21,561 | | 1984 | 21,596 | | 1983 | 21,439 | | 1982 | 21,843 | | 1981 | 23,928 | | 1980 | 26,506 | | 1979 | 27,577 | | 1978 | 27,532 | | 1977 | 26,959 | | 1976 | 26,339 | | 1975 | 25,717 |
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