Year | Value | 2024 | 132,111 | 2023 | 138,420 | 2022 | 140,909 | 2021 | 141,821 | 2020 | 142,589 | 2019 | 142,361 | 2018 | 142,544 | 2017 | 142,050 | 2016 | 140,614 | 2015 | 138,743 | 2014 | 136,741 | 2013 | 135,203 | 2012 | 134,215 | 2011 | 133,620 | 2010 | 133,316 | 2009 | 134,127 | 2008 | 136,212 | 2007 | 137,397 | 2006 | 138,447 | 2005 | 139,028 | 2004 | 139,080 | 2003 | 139,217 | 2002 | 140,109 | 2001 | 142,788 | 2000 | 149,095 | 1999 | 158,685 | 1998 | 170,141 | 1997 | 182,781 | 1996 | 196,564 | 1995 | 209,828 | 1994 | 220,143 | 1993 | 221,713 | 1992 | 215,658 | 1991 | 208,533 | 1990 | 201,436 | 1989 | 195,908 | 1988 | 190,943 | 1987 | 186,075 | 1986 | 181,500 | 1985 | 176,251 | 1984 | 170,617 | 1983 | 164,765 | 1982 | 158,442 | 1981 | 150,951 | 1980 | 141,581 | 1979 | 131,107 | 1978 | 122,131 | 1977 | 117,865 | 1976 | 120,777 | 1975 | 131,523 |
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