Year | Value | 2024 | 304,036 | 2023 | 305,252 | 2022 | 315,605 | 2021 | 333,222 | 2020 | 354,544 | 2019 | 378,427 | 2018 | 399,460 | 2017 | 417,256 | 2016 | 432,904 | 2015 | 448,843 | 2014 | 463,596 | 2013 | 471,954 | 2012 | 476,132 | 2011 | 476,692 | 2010 | 472,650 | 2009 | 464,592 | 2008 | 450,422 | 2007 | 434,536 | 2006 | 421,179 | 2005 | 408,304 | 2004 | 396,918 | 2003 | 386,861 | 2002 | 378,136 | 2001 | 371,030 | 2000 | 364,173 | 1999 | 357,020 | 1998 | 348,765 | 1997 | 340,807 | 1996 | 334,372 | 1995 | 329,781 | 1994 | 325,587 | 1993 | 324,824 | 1992 | 328,634 | 1991 | 335,924 | 1990 | 348,036 | 1989 | 362,265 | 1988 | 375,708 | 1987 | 385,781 | 1986 | 391,944 | 1985 | 394,935 | 1984 | 394,449 | 1983 | 390,878 | 1982 | 384,035 | 1981 | 372,519 | 1980 | 356,866 | 1979 | 337,686 | 1978 | 311,827 | 1977 | 285,347 | 1976 | 266,730 | 1975 | 251,198 |
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