Year | Value | 2022 | 409,100 | 2021 | 407,148 | 2020 | 404,690 | 2019 | 404,825 | 2018 | 401,725 | 2017 | 398,467 | 2016 | 394,999 | 2015 | 388,022 | 2014 | 377,001 | 2013 | 362,788 | 2012 | 346,162 | 2011 | 329,089 | 2010 | 312,834 | 2009 | 297,753 | 2008 | 284,458 | 2007 | 273,564 | 2006 | 264,659 | 2005 | 257,639 | 2004 | 253,044 | 2003 | 250,999 | 2002 | 251,751 | 2001 | 255,699 | 2000 | 262,979 | 1999 | 270,247 | 1998 | 276,496 | 1997 | 284,324 | 1996 | 292,812 | 1995 | 299,599 | 1994 | 307,280 | 1993 | 315,378 | 1992 | 320,660 | 1991 | 323,243 | 1990 | 322,870 | 1989 | 318,731 | 1988 | 310,872 | 1987 | 301,038 | 1986 | 289,552 | 1985 | 278,086 | 1984 | 267,554 | 1983 | 259,077 | 1982 | 252,752 | 1981 | 247,741 | 1980 | 243,918 | 1979 | 240,516 | 1978 | 237,051 | 1977 | 234,095 | 1976 | 231,036 | 1975 | 227,633 | 1974 | 223,833 | 1973 | 219,418 | 1972 | 215,076 | 1971 | 211,399 | 1970 | 209,393 | 1969 | 208,683 | 1968 | 208,388 | 1967 | 208,143 | 1966 | 207,472 | 1965 | 205,781 | 1964 | 203,069 | 1963 | 198,499 | 1962 | 192,342 | 1961 | 184,865 | 1960 | 175,892 |
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