| Year | Value | | 2022 | 156,837 | | 2021 | 154,660 | | 2020 | 152,254 | | 2019 | 149,481 | | 2018 | 146,408 | | 2017 | 143,473 | | 2016 | 140,932 | | 2015 | 138,823 | | 2014 | 137,132 | | 2013 | 135,721 | | 2012 | 134,446 | | 2011 | 133,138 | | 2010 | 131,623 | | 2009 | 129,878 | | 2008 | 127,940 | | 2007 | 125,750 | | 2006 | 123,334 | | 2005 | 120,756 | | 2004 | 118,007 | | 2003 | 115,095 | | 2002 | 111,981 | | 2001 | 108,626 | | 2000 | 105,108 | | 1999 | 101,492 | | 1998 | 97,802 | | 1997 | 94,173 | | 1996 | 90,715 | | 1995 | 87,441 | | 1994 | 84,327 | | 1993 | 81,363 | | 1992 | 78,516 | | 1991 | 75,742 | | 1990 | 73,056 | | 1989 | 70,518 | | 1988 | 68,013 | | 1987 | 65,545 | | 1986 | 63,247 | | 1985 | 61,051 | | 1984 | 58,932 | | 1983 | 56,969 | | 1982 | 55,128 | | 1981 | 53,340 | | 1980 | 51,652 | | 1979 | 50,052 | | 1978 | 48,528 | | 1977 | 47,052 | | 1976 | 45,598 | | 1975 | 44,152 | | 1974 | 42,717 | | 1973 | 41,301 | | 1972 | 39,926 | | 1971 | 38,622 | | 1970 | 37,411 | | 1969 | 36,293 | | 1968 | 35,260 | | 1967 | 34,312 | | 1966 | 33,443 | | 1965 | 32,641 | | 1964 | 31,895 | | 1963 | 31,197 | | 1962 | 30,540 | | 1961 | 29,920 | | 1960 | 29,339 |
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