Year | Value | 2022 | 290,933 | 2021 | 293,821 | 2020 | 296,283 | 2019 | 301,632 | 2018 | 309,403 | 2017 | 320,969 | 2016 | 337,599 | 2015 | 358,732 | 2014 | 382,784 | 2013 | 403,301 | 2012 | 413,635 | 2011 | 411,041 | 2010 | 401,117 | 2009 | 389,837 | 2008 | 378,046 | 2007 | 371,952 | 2006 | 363,595 | 2005 | 349,618 | 2004 | 340,549 | 2003 | 334,995 | 2002 | 330,017 | 2001 | 329,722 | 2000 | 332,444 | 1999 | 330,859 | 1998 | 325,754 | 1997 | 321,333 | 1996 | 317,425 | 1995 | 314,510 | 1994 | 312,877 | 1993 | 313,808 | 1992 | 316,299 | 1991 | 319,648 | 1990 | 324,375 | 1989 | 332,676 | 1988 | 340,111 | 1987 | 342,640 | 1986 | 345,519 | 1985 | 349,605 | 1984 | 350,928 | 1983 | 352,083 | 1982 | 357,609 | 1981 | 363,572 | 1980 | 365,380 | 1979 | 364,087 | 1978 | 344,426 | 1977 | 305,914 | 1976 | 266,623 | 1975 | 234,871 | 1974 | 225,462 | 1973 | 246,436 | 1972 | 283,276 | 1971 | 318,608 | 1970 | 346,032 | 1969 | 356,137 | 1968 | 353,839 | 1967 | 348,750 | 1966 | 342,380 | 1965 | 334,329 | 1964 | 324,059 | 1963 | 315,569 | 1962 | 309,749 | 1961 | 305,180 | 1960 | 303,578 |
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