| Year | Value | | 2024 | 87,931 | | 2023 | 84,874 | | 2022 | 82,363 | | 2021 | 81,041 | | 2020 | 80,031 | | 2019 | 78,080 | | 2018 | 75,575 | | 2017 | 73,034 | | 2016 | 70,507 | | 2015 | 68,131 | | 2014 | 65,761 | | 2013 | 63,323 | | 2012 | 60,919 | | 2011 | 58,582 | | 2010 | 56,344 | | 2009 | 54,170 | | 2008 | 52,050 | | 2007 | 49,988 | | 2006 | 47,989 | | 2005 | 46,044 | | 2004 | 44,276 | | 2003 | 42,702 | | 2002 | 41,212 | | 2001 | 39,805 | | 2000 | 38,447 | | 1999 | 37,137 | | 1998 | 35,879 | | 1997 | 34,673 | | 1996 | 33,526 | | 1995 | 32,402 | | 1994 | 31,289 | | 1993 | 30,225 | | 1992 | 29,213 | | 1991 | 28,240 | | 1990 | 27,291 | | 1989 | 26,367 | | 1988 | 25,499 | | 1987 | 24,673 | | 1986 | 23,876 | | 1985 | 23,127 | | 1984 | 22,435 | | 1983 | 21,805 | | 1982 | 21,233 | | 1981 | 20,701 | | 1980 | 20,185 | | 1979 | 19,695 | | 1978 | 19,227 | | 1977 | 18,786 | | 1976 | 18,392 | | 1975 | 18,048 |
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