Year | Value | 2022 | 330,286 | 2021 | 345,421 | 2020 | 361,632 | 2019 | 375,659 | 2018 | 386,323 | 2017 | 393,454 | 2016 | 395,923 | 2015 | 394,433 | 2014 | 391,651 | 2013 | 385,825 | 2012 | 374,878 | 2011 | 362,731 | 2010 | 350,579 | 2009 | 338,964 | 2008 | 331,389 | 2007 | 325,329 | 2006 | 315,315 | 2005 | 297,554 | 2004 | 271,778 | 2003 | 243,287 | 2002 | 221,078 | 2001 | 213,440 | 2000 | 223,534 | 1999 | 247,151 | 1998 | 277,831 | 1997 | 308,730 | 1996 | 331,799 | 1995 | 343,168 | 1994 | 343,728 | 1993 | 337,139 | 1992 | 329,919 | 1991 | 326,808 | 1990 | 330,952 | 1989 | 342,800 | 1988 | 357,297 | 1987 | 368,426 | 1986 | 373,603 | 1985 | 374,759 | 1984 | 372,076 | 1983 | 366,067 | 1982 | 355,470 | 1981 | 338,255 | 1980 | 314,955 | 1979 | 288,403 | 1978 | 260,074 | 1977 | 232,956 | 1976 | 213,037 | 1975 | 204,059 | 1974 | 205,383 | 1973 | 215,062 | 1972 | 230,302 | 1971 | 246,357 | 1970 | 258,773 | 1969 | 264,959 | 1968 | 264,628 | 1967 | 259,712 | 1966 | 252,990 | 1965 | 246,388 | 1964 | 240,367 | 1963 | 235,761 | 1962 | 233,304 | 1961 | 232,239 | 1960 | 230,959 |
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