Year | Value | 2022 | 213,297 | 2021 | 211,864 | 2020 | 211,703 | 2019 | 212,218 | 2018 | 213,186 | 2017 | 215,560 | 2016 | 219,390 | 2015 | 222,986 | 2014 | 226,457 | 2013 | 231,332 | 2012 | 235,672 | 2011 | 239,305 | 2010 | 242,473 | 2009 | 244,296 | 2008 | 244,217 | 2007 | 242,699 | 2006 | 240,563 | 2005 | 238,258 | 2004 | 236,336 | 2003 | 234,926 | 2002 | 234,911 | 2001 | 236,360 | 2000 | 237,390 | 1999 | 235,959 | 1998 | 232,707 | 1997 | 228,683 | 1996 | 224,539 | 1995 | 223,071 | 1994 | 225,883 | 1993 | 231,056 | 1992 | 236,802 | 1991 | 244,145 | 1990 | 252,312 | 1989 | 261,581 | 1988 | 273,896 | 1987 | 287,157 | 1986 | 297,974 | 1985 | 306,672 | 1984 | 313,751 | 1983 | 319,081 | 1982 | 323,441 | 1981 | 325,612 | 1980 | 324,638 | 1979 | 320,593 | 1978 | 313,651 | 1977 | 304,982 | 1976 | 295,741 | 1975 | 286,912 | 1974 | 278,622 | 1973 | 269,887 | 1972 | 261,186 | 1971 | 253,120 | 1970 | 247,285 | 1969 | 244,999 | 1968 | 244,811 | 1967 | 248,729 | 1966 | 251,136 | 1965 | 245,099 | 1964 | 241,760 | 1963 | 243,455 | 1962 | 243,341 | 1961 | 250,858 | 1960 | 271,790 |
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