| Year | Value | | 2024 | 266,891 | | 2023 | 260,710 | | 2022 | 253,965 | | 2021 | 246,695 | | 2020 | 238,452 | | 2019 | 229,351 | | 2018 | 219,933 | | 2017 | 210,664 | | 2016 | 201,889 | | 2015 | 194,156 | | 2014 | 187,933 | | 2013 | 183,002 | | 2012 | 178,977 | | 2011 | 175,792 | | 2010 | 173,445 | | 2009 | 171,747 | | 2008 | 170,585 | | 2007 | 169,787 | | 2006 | 169,125 | | 2005 | 168,394 | | 2004 | 167,455 | | 2003 | 166,088 | | 2002 | 164,316 | | 2001 | 161,581 | | 2000 | 157,246 | | 1999 | 151,894 | | 1998 | 146,262 | | 1997 | 140,670 | | 1996 | 135,360 | | 1995 | 130,465 | | 1994 | 125,781 | | 1993 | 121,127 | | 1992 | 116,579 | | 1991 | 112,235 | | 1990 | 108,076 | | 1989 | 104,476 | | 1988 | 101,450 | | 1987 | 98,436 | | 1986 | 95,372 | | 1985 | 92,473 | | 1984 | 89,458 | | 1983 | 86,307 | | 1982 | 83,555 | | 1981 | 80,944 | | 1980 | 78,104 | | 1979 | 75,162 | | 1978 | 72,227 | | 1977 | 69,297 | | 1976 | 66,309 | | 1975 | 63,286 |
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