Year | Value | 2022 | 314,711 | 2021 | 321,048 | 2020 | 324,361 | 2019 | 326,244 | 2018 | 326,986 | 2017 | 325,236 | 2016 | 321,171 | 2015 | 315,437 | 2014 | 308,596 | 2013 | 301,161 | 2012 | 293,973 | 2011 | 287,408 | 2010 | 281,631 | 2009 | 277,026 | 2008 | 274,032 | 2007 | 273,080 | 2006 | 275,281 | 2005 | 279,984 | 2004 | 285,012 | 2003 | 289,326 | 2002 | 292,106 | 2001 | 292,833 | 2000 | 291,853 | 1999 | 289,683 | 1998 | 286,632 | 1997 | 283,000 | 1996 | 278,923 | 1995 | 274,313 | 1994 | 269,776 | 1993 | 265,794 | 1992 | 262,751 | 1991 | 261,256 | 1990 | 260,584 | 1989 | 259,432 | 1988 | 257,104 | 1987 | 253,217 | 1986 | 247,543 | 1985 | 240,399 | 1984 | 232,431 | 1983 | 224,355 | 1982 | 216,656 | 1981 | 211,214 | 1980 | 206,781 | 1979 | 201,381 | 1978 | 196,041 | 1977 | 190,795 | 1976 | 185,871 | 1975 | 181,219 | 1974 | 176,309 | 1973 | 170,841 | 1972 | 164,964 | 1971 | 159,048 | 1970 | 153,217 | 1969 | 148,024 | 1968 | 143,816 | 1967 | 140,172 | 1966 | 136,865 | 1965 | 133,808 | 1964 | 131,107 | 1963 | 128,863 | 1962 | 126,892 | 1961 | 124,399 | 1960 | 121,299 |
|