Year | Value | 2022 | 297,156 | 2021 | 295,502 | 2020 | 292,536 | 2019 | 285,009 | 2018 | 275,629 | 2017 | 262,470 | 2016 | 245,142 | 2015 | 232,322 | 2014 | 228,400 | 2013 | 228,721 | 2012 | 232,755 | 2011 | 240,096 | 2010 | 244,748 | 2009 | 246,140 | 2008 | 245,750 | 2007 | 247,401 | 2006 | 252,002 | 2005 | 257,482 | 2004 | 261,379 | 2003 | 263,131 | 2002 | 262,656 | 2001 | 260,392 | 2000 | 258,668 | 1999 | 258,499 | 1998 | 259,845 | 1997 | 261,301 | 1996 | 262,410 | 1995 | 263,062 | 1994 | 257,197 | 1993 | 239,468 | 1992 | 216,235 | 1991 | 194,037 | 1990 | 175,859 | 1989 | 171,130 | 1988 | 182,679 | 1987 | 200,976 | 1986 | 217,771 | 1985 | 229,266 | 1984 | 233,500 | 1983 | 233,818 | 1982 | 234,210 | 1981 | 235,203 | 1980 | 236,172 | 1979 | 236,462 | 1978 | 236,192 | 1977 | 235,179 | 1976 | 234,844 | 1975 | 234,117 | 1974 | 231,662 | 1973 | 228,092 | 1972 | 224,202 | 1971 | 219,992 | 1970 | 216,058 | 1969 | 212,160 | 1968 | 208,657 | 1967 | 204,675 | 1966 | 199,063 | 1965 | 193,591 | 1964 | 188,647 | 1963 | 183,703 | 1962 | 179,621 | 1961 | 176,801 | 1960 | 174,776 |
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