Year | Value | 2022 | 340,307 | 2021 | 347,114 | 2020 | 353,816 | 2019 | 358,287 | 2018 | 359,451 | 2017 | 358,571 | 2016 | 356,159 | 2015 | 350,831 | 2014 | 342,441 | 2013 | 331,875 | 2012 | 320,635 | 2011 | 310,012 | 2010 | 299,268 | 2009 | 288,034 | 2008 | 277,468 | 2007 | 268,090 | 2006 | 258,680 | 2005 | 251,407 | 2004 | 248,565 | 2003 | 249,297 | 2002 | 252,563 | 2001 | 252,858 | 2000 | 244,840 | 1999 | 237,212 | 1998 | 233,754 | 1997 | 228,787 | 1996 | 231,221 | 1995 | 248,313 | 1994 | 265,276 | 1993 | 267,218 | 1992 | 258,630 | 1991 | 243,496 | 1990 | 221,609 | 1989 | 199,028 | 1988 | 187,417 | 1987 | 187,916 | 1986 | 191,996 | 1985 | 198,149 | 1984 | 204,923 | 1983 | 210,436 | 1982 | 213,649 | 1981 | 213,607 | 1980 | 210,995 | 1979 | 207,198 | 1978 | 202,847 | 1977 | 199,520 | 1976 | 198,359 | 1975 | 197,306 | 1974 | 192,590 | 1973 | 180,455 | 1972 | 162,822 | 1971 | 144,852 | 1970 | 131,533 | 1969 | 130,497 | 1968 | 143,171 | 1967 | 162,911 | 1966 | 183,113 | 1965 | 200,122 | 1964 | 210,903 | 1963 | 216,277 | 1962 | 219,323 | 1961 | 222,620 | 1960 | 226,910 |
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