Year | Value | 2022 | 396,419 | 2021 | 385,948 | 2020 | 373,432 | 2019 | 360,673 | 2018 | 347,850 | 2017 | 336,238 | 2016 | 326,004 | 2015 | 317,703 | 2014 | 311,718 | 2013 | 306,163 | 2012 | 301,435 | 2011 | 298,297 | 2010 | 296,599 | 2009 | 297,505 | 2008 | 301,014 | 2007 | 305,327 | 2006 | 309,582 | 2005 | 312,041 | 2004 | 311,430 | 2003 | 311,039 | 2002 | 313,926 | 2001 | 318,861 | 2000 | 325,368 | 1999 | 333,118 | 1998 | 337,466 | 1997 | 334,653 | 1996 | 326,705 | 1995 | 316,512 | 1994 | 305,577 | 1993 | 297,404 | 1992 | 294,107 | 1991 | 294,108 | 1990 | 295,224 | 1989 | 295,194 | 1988 | 295,215 | 1987 | 295,996 | 1986 | 296,118 | 1985 | 297,988 | 1984 | 303,656 | 1983 | 311,510 | 1982 | 320,693 | 1981 | 331,701 | 1980 | 342,019 | 1979 | 349,241 | 1978 | 351,497 | 1977 | 346,651 | 1976 | 333,880 | 1975 | 315,601 | 1974 | 296,672 | 1973 | 279,668 | 1972 | 265,738 | 1971 | 256,022 | 1970 | 248,540 | 1969 | 240,017 | 1968 | 232,277 | 1967 | 227,807 | 1966 | 225,697 | 1965 | 225,269 | 1964 | 226,391 | 1963 | 229,198 | 1962 | 232,339 | 1961 | 235,095 | 1960 | 239,239 |
|