Year | Value | 2022 | 315,153 | 2021 | 302,287 | 2020 | 299,899 | 2019 | 297,957 | 2018 | 296,442 | 2017 | 297,621 | 2016 | 303,213 | 2015 | 312,576 | 2014 | 326,408 | 2013 | 344,871 | 2012 | 364,564 | 2011 | 388,807 | 2010 | 409,699 | 2009 | 421,627 | 2008 | 421,588 | 2007 | 411,117 | 2006 | 396,675 | 2005 | 379,716 | 2004 | 363,507 | 2003 | 355,602 | 2002 | 354,154 | 2001 | 349,018 | 2000 | 340,026 | 1999 | 329,825 | 1998 | 319,068 | 1997 | 308,622 | 1996 | 303,601 | 1995 | 306,180 | 1994 | 312,484 | 1993 | 321,163 | 1992 | 333,589 | 1991 | 351,199 | 1990 | 373,415 | 1989 | 403,572 | 1988 | 431,397 | 1987 | 444,120 | 1986 | 446,279 | 1985 | 440,701 | 1984 | 427,931 | 1983 | 414,763 | 1982 | 408,040 | 1981 | 398,637 | 1980 | 383,007 | 1979 | 373,274 | 1978 | 367,289 | 1977 | 361,211 | 1976 | 360,315 | 1975 | 363,511 | 1974 | 361,745 | 1973 | 356,486 | 1972 | 352,601 | 1971 | 349,215 | 1970 | 347,118 | 1969 | 346,135 | 1968 | 347,773 | 1967 | 351,337 | 1966 | 355,835 | 1965 | 361,740 | 1964 | 368,037 | 1963 | 372,913 | 1962 | 375,964 | 1961 | 379,740 | 1960 | 384,668 |
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