Year | Value | 2023 | 295,218 | 2022 | 288,589 | 2021 | 285,376 | 2020 | 285,494 | 2019 | 289,102 | 2018 | 294,081 | 2017 | 298,239 | 2016 | 301,249 | 2015 | 303,146 | 2014 | 304,689 | 2013 | 306,504 | 2012 | 309,173 | 2011 | 312,740 | 2010 | 315,512 | 2009 | 316,055 | 2008 | 309,838 | 2007 | 299,610 | 2006 | 287,320 | 2005 | 269,361 | 2004 | 249,530 | 2003 | 228,332 | 2002 | 207,692 | 2001 | 190,885 | 2000 | 177,080 | 1999 | 164,958 | 1998 | 155,775 | 1997 | 148,589 | 1996 | 138,259 | 1995 | 123,492 | 1994 | 106,838 | 1993 | 91,455 | 1992 | 80,652 | 1991 | 79,710 | 1990 | 90,701 | 1989 | 109,634 | 1988 | 131,733 | 1987 | 152,175 | 1986 | 166,592 | 1985 | 174,818 | 1984 | 177,305 | 1983 | 174,999 | 1982 | 170,221 | 1981 | 163,246 | 1980 | 157,597 | 1979 | 156,279 | 1978 | 153,244 | 1977 | 145,154 | 1976 | 133,320 | 1975 | 123,524 | 1974 | 115,595 |
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