Year | Value | 2022 | 259,888 | 2021 | 248,398 | 2020 | 240,014 | 2019 | 236,088 | 2018 | 235,675 | 2017 | 237,692 | 2016 | 237,347 | 2015 | 230,001 | 2014 | 223,411 | 2013 | 220,421 | 2012 | 215,991 | 2011 | 218,879 | 2010 | 234,850 | 2009 | 250,134 | 2008 | 251,301 | 2007 | 242,746 | 2006 | 228,654 | 2005 | 208,422 | 2004 | 187,011 | 2003 | 175,787 | 2002 | 176,366 | 2001 | 179,650 | 2000 | 184,008 | 1999 | 189,008 | 1998 | 193,342 | 1997 | 196,856 | 1996 | 200,923 | 1995 | 206,720 | 1994 | 213,939 | 1993 | 222,431 | 1992 | 231,419 | 1991 | 239,149 | 1990 | 243,082 | 1989 | 239,092 | 1988 | 223,229 | 1987 | 199,962 | 1986 | 176,525 | 1985 | 158,121 | 1984 | 154,241 | 1983 | 167,231 | 1982 | 188,636 | 1981 | 209,853 | 1980 | 226,701 | 1979 | 235,579 | 1978 | 237,918 | 1977 | 238,272 | 1976 | 238,861 | 1975 | 238,876 | 1974 | 237,277 | 1973 | 235,919 | 1972 | 234,910 | 1971 | 233,690 | 1970 | 232,387 | 1969 | 231,057 | 1968 | 228,879 | 1967 | 225,562 | 1966 | 221,500 | 1965 | 217,799 | 1964 | 213,947 | 1963 | 209,845 | 1962 | 205,391 | 1961 | 200,356 | 1960 | 194,404 |
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