| Year | Value | | 2024 | 194,386 | | 2023 | 196,399 | | 2022 | 198,526 | | 2021 | 201,105 | | 2020 | 203,717 | | 2019 | 205,888 | | 2018 | 207,896 | | 2017 | 209,848 | | 2016 | 211,738 | | 2015 | 213,593 | | 2014 | 215,373 | | 2013 | 217,053 | | 2012 | 218,714 | | 2011 | 220,396 | | 2010 | 222,127 | | 2009 | 223,773 | | 2008 | 225,348 | | 2007 | 227,018 | | 2006 | 228,771 | | 2005 | 230,563 | | 2004 | 232,295 | | 2003 | 235,306 | | 2002 | 240,467 | | 2001 | 245,634 | | 2000 | 250,788 | | 1999 | 257,441 | | 1998 | 264,406 | | 1997 | 271,535 | | 1996 | 278,544 | | 1995 | 285,272 | | 1994 | 291,529 | | 1993 | 297,354 | | 1992 | 302,931 | | 1991 | 308,622 | | 1990 | 315,089 | | 1989 | 322,174 | | 1988 | 329,588 | | 1987 | 336,948 | | 1986 | 343,624 | | 1985 | 349,163 | | 1984 | 353,296 | | 1983 | 356,180 | | 1982 | 358,165 | | 1981 | 359,882 | | 1980 | 361,814 | | 1979 | 364,260 | | 1978 | 367,085 | | 1977 | 369,941 | | 1976 | 372,261 | | 1975 | 373,677 |
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