| Year | Value | | 2022 | 242,389 | | 2021 | 237,230 | | 2020 | 232,127 | | 2019 | 227,104 | | 2018 | 222,159 | | 2017 | 217,206 | | 2016 | 212,238 | | 2015 | 207,436 | | 2014 | 202,820 | | 2013 | 198,280 | | 2012 | 193,857 | | 2011 | 189,574 | | 2010 | 185,410 | | 2009 | 181,478 | | 2008 | 177,839 | | 2007 | 174,257 | | 2006 | 170,777 | | 2005 | 167,361 | | 2004 | 163,971 | | 2003 | 160,581 | | 2002 | 157,183 | | 2001 | 153,779 | | 2000 | 150,446 | | 1999 | 147,355 | | 1998 | 144,506 | | 1997 | 141,727 | | 1996 | 138,961 | | 1995 | 136,210 | | 1994 | 133,468 | | 1993 | 130,731 | | 1992 | 127,995 | | 1991 | 125,292 | | 1990 | 122,644 | | 1989 | 120,048 | | 1988 | 117,677 | | 1987 | 115,362 | | 1986 | 113,090 | | 1985 | 110,859 | | 1984 | 108,691 | | 1983 | 106,585 | | 1982 | 104,557 | | 1981 | 102,609 | | 1980 | 100,740 | | 1979 | 98,771 | | 1978 | 96,396 | | 1977 | 93,710 | | 1976 | 90,995 | | 1975 | 88,346 | | 1974 | 85,774 | | 1973 | 83,288 | | 1972 | 80,875 | | 1971 | 78,542 | | 1970 | 76,294 | | 1969 | 74,127 | | 1968 | 72,035 | | 1967 | 70,017 | | 1966 | 68,079 | | 1965 | 66,217 | | 1964 | 64,419 | | 1963 | 62,691 | | 1962 | 61,029 | | 1961 | 59,428 | | 1960 | 57,886 |
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