Year | Value | 2022 | 213,000 | 2021 | 212,830 | 2020 | 213,066 | 2019 | 213,204 | 2018 | 212,055 | 2017 | 209,901 | 2016 | 207,166 | 2015 | 204,440 | 2014 | 201,736 | 2013 | 198,227 | 2012 | 195,013 | 2011 | 191,783 | 2010 | 187,721 | 2009 | 184,441 | 2008 | 181,501 | 2007 | 178,933 | 2006 | 177,830 | 2005 | 177,611 | 2004 | 178,197 | 2003 | 179,803 | 2002 | 182,125 | 2001 | 188,485 | 2000 | 194,408 | 1999 | 196,012 | 1998 | 198,095 | 1997 | 201,357 | 1996 | 204,467 | 1995 | 206,160 | 1994 | 206,462 | 1993 | 205,417 | 1992 | 202,105 | 1991 | 196,768 | 1990 | 191,139 | 1989 | 186,890 | 1988 | 183,796 | 1987 | 181,742 | 1986 | 180,589 | 1985 | 179,669 | 1984 | 179,114 | 1983 | 178,032 | 1982 | 176,277 | 1981 | 174,714 | 1980 | 173,853 | 1979 | 174,990 | 1978 | 178,919 | 1977 | 184,926 | 1976 | 194,134 | 1975 | 205,890 | 1974 | 216,609 | 1973 | 225,642 | 1972 | 233,732 | 1971 | 240,402 | 1970 | 245,339 | 1969 | 250,842 | 1968 | 256,597 | 1967 | 258,982 | 1966 | 257,478 | 1965 | 252,249 | 1964 | 244,729 | 1963 | 236,813 | 1962 | 229,443 | 1961 | 222,066 | 1960 | 216,624 |
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