Year | Value | 2022 | 242,539 | 2021 | 248,040 | 2020 | 250,167 | 2019 | 252,017 | 2018 | 253,974 | 2017 | 257,367 | 2016 | 262,055 | 2015 | 266,119 | 2014 | 267,920 | 2013 | 268,179 | 2012 | 266,510 | 2011 | 262,038 | 2010 | 256,933 | 2009 | 252,724 | 2008 | 249,860 | 2007 | 247,597 | 2006 | 247,407 | 2005 | 249,070 | 2004 | 249,214 | 2003 | 248,840 | 2002 | 249,476 | 2001 | 250,711 | 2000 | 253,623 | 1999 | 256,531 | 1998 | 257,322 | 1997 | 255,478 | 1996 | 252,808 | 1995 | 249,958 | 1994 | 253,612 | 1993 | 256,383 | 1992 | 262,751 | 1991 | 270,118 | 1990 | 279,142 | 1989 | 289,334 | 1988 | 295,945 | 1987 | 297,278 | 1986 | 295,840 | 1985 | 289,295 | 1984 | 276,718 | 1983 | 265,092 | 1982 | 257,022 | 1981 | 252,644 | 1980 | 251,757 | 1979 | 255,319 | 1978 | 261,838 | 1977 | 269,577 | 1976 | 277,318 | 1975 | 284,739 | 1974 | 292,300 | 1973 | 298,682 | 1972 | 303,729 | 1971 | 306,918 | 1970 | 307,856 | 1969 | 307,334 | 1968 | 304,568 | 1967 | 299,172 | 1966 | 291,114 | 1965 | 280,597 | 1964 | 269,306 | 1963 | 257,326 | 1962 | 245,702 | 1961 | 234,190 | 1960 | 222,104 |
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