Year | Value | 2022 | 196,050 | 2021 | 201,572 | 2020 | 203,986 | 2019 | 207,010 | 2018 | 211,425 | 2017 | 217,319 | 2016 | 222,917 | 2015 | 227,504 | 2014 | 232,749 | 2013 | 236,759 | 2012 | 238,872 | 2011 | 240,361 | 2010 | 243,036 | 2009 | 244,864 | 2008 | 247,230 | 2007 | 251,393 | 2006 | 257,032 | 2005 | 262,347 | 2004 | 265,579 | 2003 | 267,316 | 2002 | 266,877 | 2001 | 263,076 | 2000 | 257,840 | 1999 | 254,670 | 1998 | 252,930 | 1997 | 252,124 | 1996 | 253,576 | 1995 | 256,487 | 1994 | 261,338 | 1993 | 260,473 | 1992 | 259,634 | 1991 | 259,654 | 1990 | 261,365 | 1989 | 262,393 | 1988 | 263,471 | 1987 | 264,291 | 1986 | 266,204 | 1985 | 270,581 | 1984 | 279,782 | 1983 | 291,050 | 1982 | 302,696 | 1981 | 309,264 | 1980 | 312,303 | 1979 | 317,172 | 1978 | 317,870 | 1977 | 313,373 | 1976 | 308,386 | 1975 | 300,654 | 1974 | 287,485 | 1973 | 275,533 | 1972 | 268,626 | 1971 | 266,373 | 1970 | 267,821 | 1969 | 273,266 | 1968 | 280,993 | 1967 | 289,023 | 1966 | 296,255 | 1965 | 302,490 | 1964 | 308,742 | 1963 | 313,769 | 1962 | 317,395 | 1961 | 318,716 | 1960 | 318,720 |
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