Year | Value | 2023 | 113,143 | 2022 | 114,791 | 2021 | 117,996 | 2020 | 124,016 | 2019 | 129,933 | 2018 | 134,913 | 2017 | 138,156 | 2016 | 140,275 | 2015 | 141,294 | 2014 | 141,550 | 2013 | 142,796 | 2012 | 144,856 | 2011 | 146,075 | 2010 | 146,004 | 2009 | 143,927 | 2008 | 140,564 | 2007 | 136,173 | 2006 | 132,415 | 2005 | 129,722 | 2004 | 128,261 | 2003 | 127,527 | 2002 | 127,460 | 2001 | 128,644 | 2000 | 131,828 | 1999 | 136,157 | 1998 | 140,376 | 1997 | 144,207 | 1996 | 148,657 | 1995 | 154,464 | 1994 | 162,249 | 1993 | 169,442 | 1992 | 175,729 | 1991 | 183,680 | 1990 | 191,494 | 1989 | 197,453 | 1988 | 198,745 | 1987 | 196,084 | 1986 | 192,207 | 1985 | 187,467 | 1984 | 182,700 | 1983 | 177,964 | 1982 | 172,676 | 1981 | 167,153 | 1980 | 161,737 | 1979 | 156,138 | 1978 | 150,784 | 1977 | 145,136 | 1976 | 137,597 | 1975 | 127,970 |
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