Year | Value | 2022 | 335,125 | 2021 | 332,848 | 2020 | 340,777 | 2019 | 342,828 | 2018 | 344,985 | 2017 | 348,199 | 2016 | 352,668 | 2015 | 358,584 | 2014 | 369,535 | 2013 | 385,657 | 2012 | 402,821 | 2011 | 420,369 | 2010 | 437,903 | 2009 | 450,316 | 2008 | 453,054 | 2007 | 445,440 | 2006 | 430,696 | 2005 | 411,179 | 2004 | 387,945 | 2003 | 365,143 | 2002 | 348,261 | 2001 | 338,962 | 2000 | 335,705 | 1999 | 337,619 | 1998 | 341,934 | 1997 | 342,886 | 1996 | 339,427 | 1995 | 333,061 | 1994 | 323,760 | 1993 | 316,445 | 1992 | 319,307 | 1991 | 330,993 | 1990 | 346,960 | 1989 | 365,114 | 1988 | 380,777 | 1987 | 392,289 | 1986 | 401,298 | 1985 | 408,487 | 1984 | 412,687 | 1983 | 416,339 | 1982 | 421,513 | 1981 | 425,016 | 1980 | 421,952 | 1979 | 415,005 | 1978 | 405,665 | 1977 | 388,289 | 1976 | 365,637 | 1975 | 348,794 | 1974 | 333,893 | 1973 | 315,034 | 1972 | 298,941 | 1971 | 286,801 | 1970 | 279,205 | 1969 | 277,032 | 1968 | 278,793 | 1967 | 285,274 | 1966 | 295,701 | 1965 | 307,415 | 1964 | 317,948 | 1963 | 326,398 | 1962 | 332,834 | 1961 | 337,567 | 1960 | 343,670 |
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