Year | Value | 2022 | 390,455 | 2021 | 398,029 | 2020 | 402,498 | 2019 | 401,485 | 2018 | 400,464 | 2017 | 400,814 | 2016 | 402,130 | 2015 | 405,242 | 2014 | 410,767 | 2013 | 417,687 | 2012 | 425,788 | 2011 | 430,608 | 2010 | 429,248 | 2009 | 424,279 | 2008 | 417,649 | 2007 | 410,012 | 2006 | 403,388 | 2005 | 398,720 | 2004 | 395,845 | 2003 | 394,205 | 2002 | 392,961 | 2001 | 391,859 | 2000 | 389,818 | 1999 | 385,158 | 1998 | 377,109 | 1997 | 366,420 | 1996 | 355,356 | 1995 | 345,399 | 1994 | 338,198 | 1993 | 334,450 | 1992 | 332,738 | 1991 | 331,018 | 1990 | 327,141 | 1989 | 321,209 | 1988 | 313,882 | 1987 | 305,835 | 1986 | 298,995 | 1985 | 295,458 | 1984 | 296,536 | 1983 | 302,706 | 1982 | 312,575 | 1981 | 323,658 | 1980 | 333,120 | 1979 | 339,988 | 1978 | 343,031 | 1977 | 343,417 | 1976 | 342,432 | 1975 | 340,290 | 1974 | 340,296 | 1973 | 341,948 | 1972 | 342,094 | 1971 | 339,051 | 1970 | 333,220 | 1969 | 324,368 | 1968 | 311,681 | 1967 | 296,017 | 1966 | 279,704 | 1965 | 265,141 | 1964 | 253,788 | 1963 | 245,547 | 1962 | 240,489 | 1961 | 238,134 | 1960 | 238,308 |
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