Year | Value | 2022 | 298,175 | 2021 | 301,142 | 2020 | 316,701 | 2019 | 327,137 | 2018 | 335,649 | 2017 | 341,272 | 2016 | 344,892 | 2015 | 347,312 | 2014 | 348,203 | 2013 | 349,390 | 2012 | 352,319 | 2011 | 354,539 | 2010 | 349,380 | 2009 | 339,861 | 2008 | 329,529 | 2007 | 311,728 | 2006 | 290,238 | 2005 | 275,519 | 2004 | 263,547 | 2003 | 247,578 | 2002 | 233,316 | 2001 | 222,811 | 2000 | 214,457 | 1999 | 209,511 | 1998 | 209,129 | 1997 | 212,483 | 1996 | 218,317 | 1995 | 225,564 | 1994 | 232,174 | 1993 | 236,703 | 1992 | 239,224 | 1991 | 240,602 | 1990 | 242,205 | 1989 | 244,102 | 1988 | 247,045 | 1987 | 251,499 | 1986 | 255,503 | 1985 | 257,108 | 1984 | 251,269 | 1983 | 231,919 | 1982 | 204,209 | 1981 | 177,347 | 1980 | 158,549 | 1979 | 158,063 | 1978 | 178,277 | 1977 | 207,843 | 1976 | 237,201 | 1975 | 260,761 | 1974 | 273,308 | 1973 | 277,768 | 1972 | 279,002 | 1971 | 279,140 | 1970 | 278,652 | 1969 | 275,758 | 1968 | 271,413 | 1967 | 267,970 | 1966 | 264,071 | 1965 | 260,439 | 1964 | 256,217 | 1963 | 248,612 | 1962 | 239,044 | 1961 | 228,313 | 1960 | 219,120 |
|