Year | Value | 2022 | 213,120 | 2021 | 222,214 | 2020 | 227,078 | 2019 | 232,589 | 2018 | 236,770 | 2017 | 238,855 | 2016 | 240,129 | 2015 | 241,771 | 2014 | 243,490 | 2013 | 245,743 | 2012 | 249,853 | 2011 | 255,578 | 2010 | 261,693 | 2009 | 264,662 | 2008 | 265,987 | 2007 | 265,249 | 2006 | 261,590 | 2005 | 256,500 | 2004 | 253,197 | 2003 | 251,375 | 2002 | 250,029 | 2001 | 250,221 | 2000 | 252,189 | 1999 | 252,889 | 1998 | 252,855 | 1997 | 253,858 | 1996 | 255,670 | 1995 | 257,664 | 1994 | 262,847 | 1993 | 263,277 | 1992 | 262,783 | 1991 | 264,289 | 1990 | 269,890 | 1989 | 278,923 | 1988 | 290,111 | 1987 | 301,847 | 1986 | 308,419 | 1985 | 311,138 | 1984 | 315,495 | 1983 | 315,448 | 1982 | 310,061 | 1981 | 304,162 | 1980 | 295,856 | 1979 | 282,589 | 1978 | 270,707 | 1977 | 263,864 | 1976 | 261,823 | 1975 | 263,442 | 1974 | 268,914 | 1973 | 276,476 | 1972 | 284,338 | 1971 | 291,036 | 1970 | 296,674 | 1969 | 302,326 | 1968 | 306,940 | 1967 | 310,094 | 1966 | 311,574 | 1965 | 311,061 | 1964 | 310,038 | 1963 | 308,221 | 1962 | 305,978 | 1961 | 302,869 | 1960 | 299,759 |
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