Year | Value | 2022 | 380,721 | 2021 | 383,781 | 2020 | 383,992 | 2019 | 382,040 | 2018 | 376,525 | 2017 | 366,237 | 2016 | 355,060 | 2015 | 343,736 | 2014 | 332,899 | 2013 | 326,067 | 2012 | 320,651 | 2011 | 311,319 | 2010 | 294,202 | 2009 | 268,545 | 2008 | 239,216 | 2007 | 214,886 | 2006 | 203,601 | 2005 | 210,108 | 2004 | 231,119 | 2003 | 259,536 | 2002 | 289,109 | 2001 | 311,896 | 2000 | 323,341 | 1999 | 324,045 | 1998 | 317,963 | 1997 | 311,756 | 1996 | 309,066 | 1995 | 312,318 | 1994 | 323,158 | 1993 | 336,534 | 1992 | 345,891 | 1991 | 350,837 | 1990 | 352,760 | 1989 | 350,957 | 1988 | 345,986 | 1987 | 337,045 | 1986 | 320,921 | 1985 | 299,106 | 1984 | 273,920 | 1983 | 246,854 | 1982 | 220,670 | 1981 | 201,090 | 1980 | 192,236 | 1979 | 193,727 | 1978 | 203,448 | 1977 | 219,240 | 1976 | 236,992 | 1975 | 251,554 | 1974 | 259,512 | 1973 | 260,495 | 1972 | 256,600 | 1971 | 250,666 | 1970 | 244,437 | 1969 | 238,315 | 1968 | 232,990 | 1967 | 229,157 | 1966 | 226,295 | 1965 | 223,078 | 1964 | 218,925 | 1963 | 213,496 | 1962 | 205,998 | 1961 | 197,044 | 1960 | 188,524 |
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