Year | Value | 2022 | 192,945 | 2021 | 196,094 | 2020 | 196,735 | 2019 | 195,752 | 2018 | 195,282 | 2017 | 195,833 | 2016 | 198,698 | 2015 | 203,190 | 2014 | 207,362 | 2013 | 210,482 | 2012 | 210,379 | 2011 | 206,013 | 2010 | 200,085 | 2009 | 194,530 | 2008 | 189,245 | 2007 | 185,377 | 2006 | 183,511 | 2005 | 182,545 | 2004 | 182,152 | 2003 | 182,395 | 2002 | 182,475 | 2001 | 181,713 | 2000 | 181,309 | 1999 | 181,976 | 1998 | 183,335 | 1997 | 186,863 | 1996 | 192,854 | 1995 | 198,204 | 1994 | 201,743 | 1993 | 202,609 | 1992 | 198,767 | 1991 | 189,974 | 1990 | 178,960 | 1989 | 168,542 | 1988 | 159,819 | 1987 | 153,195 | 1986 | 148,715 | 1985 | 145,678 | 1984 | 143,122 | 1983 | 140,651 | 1982 | 138,365 | 1981 | 137,016 | 1980 | 136,547 | 1979 | 136,359 | 1978 | 136,887 | 1977 | 137,994 | 1976 | 139,300 | 1975 | 141,364 | 1974 | 144,238 | 1973 | 147,230 | 1972 | 149,270 | 1971 | 151,925 | 1970 | 155,350 | 1969 | 156,085 | 1968 | 155,102 | 1967 | 154,629 | 1966 | 152,901 | 1965 | 149,579 | 1964 | 148,590 | 1963 | 149,977 | 1962 | 151,498 | 1961 | 153,132 | 1960 | 154,538 |
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