Year | Value | 2022 | 319,125 | 2021 | 307,297 | 2020 | 296,020 | 2019 | 284,783 | 2018 | 273,928 | 2017 | 263,862 | 2016 | 254,273 | 2015 | 245,726 | 2014 | 238,166 | 2013 | 229,632 | 2012 | 218,763 | 2011 | 205,989 | 2010 | 192,079 | 2009 | 177,621 | 2008 | 164,450 | 2007 | 154,744 | 2006 | 148,601 | 2005 | 145,153 | 2004 | 143,922 | 2003 | 144,684 | 2002 | 146,491 | 2001 | 148,661 | 2000 | 151,081 | 1999 | 153,399 | 1998 | 155,481 | 1997 | 157,630 | 1996 | 159,534 | 1995 | 161,242 | 1994 | 162,468 | 1993 | 162,579 | 1992 | 161,982 | 1991 | 160,782 | 1990 | 159,136 | 1989 | 157,029 | 1988 | 154,506 | 1987 | 151,708 | 1986 | 148,671 | 1985 | 145,443 | 1984 | 142,099 | 1983 | 138,723 | 1982 | 135,339 | 1981 | 131,932 | 1980 | 128,524 | 1979 | 125,006 | 1978 | 121,175 | 1977 | 117,061 | 1976 | 112,847 | 1975 | 108,562 | 1974 | 104,260 | 1973 | 99,991 | 1972 | 95,819 | 1971 | 91,683 | 1970 | 87,450 | 1969 | 83,249 | 1968 | 79,248 | 1967 | 75,485 | 1966 | 71,966 | 1965 | 68,657 | 1964 | 65,532 | 1963 | 62,579 | 1962 | 59,782 | 1961 | 57,127 | 1960 | 54,579 |
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