Year | Value | 2022 | 161,949 | 2021 | 161,090 | 2020 | 160,542 | 2019 | 157,700 | 2018 | 151,760 | 2017 | 144,586 | 2016 | 137,341 | 2015 | 130,855 | 2014 | 124,720 | 2013 | 119,166 | 2012 | 114,620 | 2011 | 110,182 | 2010 | 106,174 | 2009 | 102,730 | 2008 | 98,807 | 2007 | 95,660 | 2006 | 92,774 | 2005 | 88,929 | 2004 | 85,809 | 2003 | 82,303 | 2002 | 76,104 | 2001 | 71,174 | 2000 | 70,535 | 1999 | 69,412 | 1998 | 66,517 | 1997 | 63,849 | 1996 | 61,185 | 1995 | 58,447 | 1994 | 54,711 | 1993 | 49,238 | 1992 | 42,075 | 1991 | 37,274 | 1990 | 37,056 | 1989 | 36,997 | 1988 | 35,998 | 1987 | 35,939 | 1986 | 36,656 | 1985 | 37,397 | 1984 | 37,168 | 1983 | 36,690 | 1982 | 37,642 | 1981 | 42,040 | 1980 | 47,411 | 1979 | 49,660 | 1978 | 49,731 | 1977 | 48,878 | 1976 | 47,846 | 1975 | 46,734 | 1974 | 45,570 | 1973 | 44,406 | 1972 | 43,297 | 1971 | 42,269 | 1970 | 41,321 | 1969 | 40,434 | 1968 | 39,582 | 1967 | 38,749 | 1966 | 37,929 | 1965 | 37,119 | 1964 | 36,327 | 1963 | 35,565 | 1962 | 34,850 | 1961 | 34,191 | 1960 | 33,585 |
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