Year | Value | 2023 | 455,952 | 2022 | 468,125 | 2021 | 474,652 | 2020 | 473,922 | 2019 | 468,538 | 2018 | 459,563 | 2017 | 447,472 | 2016 | 433,734 | 2015 | 419,414 | 2014 | 404,985 | 2013 | 390,663 | 2012 | 376,534 | 2011 | 362,774 | 2010 | 350,078 | 2009 | 339,569 | 2008 | 329,770 | 2007 | 324,226 | 2006 | 324,945 | 2005 | 328,587 | 2004 | 335,083 | 2003 | 342,459 | 2002 | 348,759 | 2001 | 354,101 | 2000 | 358,748 | 1999 | 362,631 | 1998 | 363,998 | 1997 | 364,513 | 1996 | 365,391 | 1995 | 364,855 | 1994 | 362,258 | 1993 | 357,207 | 1992 | 349,334 | 1991 | 338,204 | 1990 | 323,867 | 1989 | 306,579 | 1988 | 286,717 | 1987 | 265,320 | 1986 | 245,121 | 1985 | 227,236 | 1984 | 212,186 | 1983 | 200,004 | 1982 | 188,634 | 1981 | 174,697 | 1980 | 157,187 | 1979 | 137,870 | 1978 | 117,924 | 1977 | 103,495 | 1976 | 102,384 | 1975 | 115,084 | 1974 | 137,288 |
|