Year | Value | 2022 | 268,571 | 2021 | 252,943 | 2020 | 236,555 | 2019 | 220,155 | 2018 | 204,919 | 2017 | 191,374 | 2016 | 179,641 | 2015 | 169,319 | 2014 | 160,068 | 2013 | 151,968 | 2012 | 145,370 | 2011 | 140,509 | 2010 | 137,575 | 2009 | 136,726 | 2008 | 137,695 | 2007 | 139,989 | 2006 | 143,327 | 2005 | 147,617 | 2004 | 152,680 | 2003 | 158,208 | 2002 | 163,817 | 2001 | 169,757 | 2000 | 175,414 | 1999 | 179,416 | 1998 | 177,663 | 1997 | 170,862 | 1996 | 163,498 | 1995 | 155,393 | 1994 | 146,878 | 1993 | 142,387 | 1992 | 138,852 | 1991 | 133,061 | 1990 | 127,627 | 1989 | 121,788 | 1988 | 114,724 | 1987 | 106,629 | 1986 | 100,561 | 1985 | 96,667 | 1984 | 93,535 | 1983 | 90,697 | 1982 | 89,660 | 1981 | 90,062 | 1980 | 100,614 | 1979 | 110,045 | 1978 | 104,775 | 1977 | 98,202 | 1976 | 94,408 | 1975 | 91,452 | 1974 | 88,328 | 1973 | 84,864 | 1972 | 80,957 | 1971 | 77,415 | 1970 | 74,679 | 1969 | 73,543 | 1968 | 74,125 | 1967 | 75,211 | 1966 | 75,774 | 1965 | 75,203 | 1964 | 73,593 | 1963 | 71,013 | 1962 | 67,716 | 1961 | 64,543 | 1960 | 62,021 |
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