Year | Value | 2022 | 283,200 | 2021 | 282,148 | 2020 | 282,876 | 2019 | 282,907 | 2018 | 282,290 | 2017 | 281,398 | 2016 | 279,448 | 2015 | 279,078 | 2014 | 282,406 | 2013 | 288,102 | 2012 | 295,064 | 2011 | 303,227 | 2010 | 310,350 | 2009 | 313,834 | 2008 | 312,440 | 2007 | 305,376 | 2006 | 292,349 | 2005 | 275,838 | 2004 | 259,819 | 2003 | 245,517 | 2002 | 233,606 | 2001 | 225,747 | 2000 | 220,644 | 1999 | 215,276 | 1998 | 209,990 | 1997 | 207,182 | 1996 | 206,775 | 1995 | 208,358 | 1994 | 210,714 | 1993 | 213,662 | 1992 | 216,710 | 1991 | 218,940 | 1990 | 221,599 | 1989 | 224,965 | 1988 | 228,810 | 1987 | 233,509 | 1986 | 240,444 | 1985 | 249,456 | 1984 | 254,078 | 1983 | 253,140 | 1982 | 251,846 | 1981 | 248,389 | 1980 | 241,123 | 1979 | 238,104 | 1978 | 240,770 | 1977 | 242,920 | 1976 | 244,767 | 1975 | 246,368 | 1974 | 247,470 | 1973 | 248,075 | 1972 | 247,771 | 1971 | 246,513 | 1970 | 244,052 | 1969 | 239,491 | 1968 | 234,385 | 1967 | 230,574 | 1966 | 227,278 | 1965 | 223,740 | 1964 | 219,713 | 1963 | 215,922 | 1962 | 212,003 | 1961 | 207,332 | 1960 | 203,100 |
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