Year | Value | 2022 | 403,920 | 2021 | 415,652 | 2020 | 439,687 | 2019 | 450,565 | 2018 | 453,517 | 2017 | 448,016 | 2016 | 435,013 | 2015 | 416,871 | 2014 | 394,917 | 2013 | 372,824 | 2012 | 356,047 | 2011 | 345,671 | 2010 | 340,780 | 2009 | 341,621 | 2008 | 345,096 | 2007 | 344,506 | 2006 | 339,869 | 2005 | 332,946 | 2004 | 323,181 | 2003 | 315,676 | 2002 | 318,371 | 2001 | 330,257 | 2000 | 345,814 | 1999 | 362,729 | 1998 | 377,643 | 1997 | 388,226 | 1996 | 396,192 | 1995 | 402,648 | 1994 | 406,404 | 1993 | 409,555 | 1992 | 414,473 | 1991 | 418,300 | 1990 | 415,509 | 1989 | 408,159 | 1988 | 399,162 | 1987 | 382,546 | 1986 | 360,148 | 1985 | 343,379 | 1984 | 328,801 | 1983 | 310,557 | 1982 | 294,690 | 1981 | 282,843 | 1980 | 274,168 | 1979 | 270,591 | 1978 | 271,882 | 1977 | 277,785 | 1976 | 287,782 | 1975 | 298,905 | 1974 | 308,807 | 1973 | 317,361 | 1972 | 323,885 | 1971 | 328,398 | 1970 | 334,472 | 1969 | 342,203 | 1968 | 350,225 | 1967 | 358,832 | 1966 | 365,838 | 1965 | 367,355 | 1964 | 357,533 | 1963 | 328,099 | 1962 | 286,637 | 1961 | 247,526 | 1960 | 221,955 |
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