Year | Value | 2022 | 388,103 | 2021 | 386,847 | 2020 | 388,694 | 2019 | 393,098 | 2018 | 398,602 | 2017 | 402,934 | 2016 | 405,914 | 2015 | 406,127 | 2014 | 403,669 | 2013 | 400,779 | 2012 | 397,661 | 2011 | 393,394 | 2010 | 386,128 | 2009 | 379,686 | 2008 | 372,598 | 2007 | 365,868 | 2006 | 358,974 | 2005 | 352,369 | 2004 | 347,204 | 2003 | 344,154 | 2002 | 342,629 | 2001 | 342,445 | 2000 | 338,700 | 1999 | 330,102 | 1998 | 319,656 | 1997 | 304,307 | 1996 | 283,822 | 1995 | 268,959 | 1994 | 264,428 | 1993 | 264,367 | 1992 | 268,359 | 1991 | 276,307 | 1990 | 283,390 | 1989 | 286,181 | 1988 | 286,534 | 1987 | 289,535 | 1986 | 296,647 | 1985 | 304,784 | 1984 | 310,838 | 1983 | 314,321 | 1982 | 315,569 | 1981 | 315,092 | 1980 | 314,789 | 1979 | 315,740 | 1978 | 318,476 | 1977 | 321,253 | 1976 | 323,670 | 1975 | 325,327 | 1974 | 318,601 | 1973 | 297,079 | 1972 | 268,985 | 1971 | 242,597 | 1970 | 222,343 | 1969 | 219,450 | 1968 | 236,754 | 1967 | 262,002 | 1966 | 283,966 | 1965 | 298,773 | 1964 | 304,533 | 1963 | 305,517 | 1962 | 307,096 | 1961 | 310,700 | 1960 | 314,489 |
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