Year | Value | 2022 | 382,515 | 2021 | 386,812 | 2020 | 391,664 | 2019 | 393,209 | 2018 | 394,473 | 2017 | 397,273 | 2016 | 398,262 | 2015 | 396,317 | 2014 | 393,296 | 2013 | 389,342 | 2012 | 384,786 | 2011 | 380,648 | 2010 | 377,686 | 2009 | 376,494 | 2008 | 376,295 | 2007 | 376,685 | 2006 | 378,161 | 2005 | 379,799 | 2004 | 378,767 | 2003 | 374,291 | 2002 | 367,548 | 2001 | 358,821 | 2000 | 349,335 | 1999 | 342,780 | 1998 | 340,019 | 1997 | 338,955 | 1996 | 338,823 | 1995 | 337,618 | 1994 | 332,651 | 1993 | 323,800 | 1992 | 312,843 | 1991 | 301,855 | 1990 | 293,000 | 1989 | 289,575 | 1988 | 293,029 | 1987 | 301,208 | 1986 | 311,496 | 1985 | 321,478 | 1984 | 329,736 | 1983 | 335,979 | 1982 | 340,144 | 1981 | 342,902 | 1980 | 344,409 | 1979 | 345,672 | 1978 | 345,481 | 1977 | 343,400 | 1976 | 338,473 | 1975 | 329,283 | 1974 | 318,505 | 1973 | 306,134 | 1972 | 291,294 | 1971 | 275,259 | 1970 | 260,537 | 1969 | 248,179 | 1968 | 238,036 | 1967 | 230,379 | 1966 | 225,750 | 1965 | 224,691 | 1964 | 227,099 | 1963 | 231,552 | 1962 | 236,714 | 1961 | 241,055 | 1960 | 243,709 |
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