Year | Value | 2022 | 164,303 | 2021 | 165,423 | 2020 | 165,285 | 2019 | 163,632 | 2018 | 164,429 | 2017 | 165,004 | 2016 | 164,771 | 2015 | 163,157 | 2014 | 159,733 | 2013 | 155,980 | 2012 | 154,194 | 2011 | 152,372 | 2010 | 149,439 | 2009 | 146,290 | 2008 | 144,742 | 2007 | 144,784 | 2006 | 144,811 | 2005 | 143,349 | 2004 | 141,153 | 2003 | 137,569 | 2002 | 132,421 | 2001 | 128,260 | 2000 | 127,747 | 1999 | 129,395 | 1998 | 132,628 | 1997 | 136,434 | 1996 | 140,242 | 1995 | 143,457 | 1994 | 145,582 | 1993 | 146,355 | 1992 | 146,101 | 1991 | 143,535 | 1990 | 135,131 | 1989 | 134,160 | 1988 | 134,564 | 1987 | 135,981 | 1986 | 138,035 | 1985 | 141,792 | 1984 | 143,052 | 1983 | 141,410 | 1982 | 137,211 | 1981 | 132,878 | 1980 | 129,767 | 1979 | 127,810 | 1978 | 127,225 | 1977 | 126,913 | 1976 | 126,787 | 1975 | 125,289 | 1974 | 121,720 | 1973 | 118,585 | 1972 | 116,374 | 1971 | 113,991 | 1970 | 110,942 | 1969 | 107,315 | 1968 | 103,643 | 1967 | 99,532 | 1966 | 94,639 | 1965 | 90,654 | 1964 | 87,850 | 1963 | 85,196 | 1962 | 82,423 | 1961 | 78,530 | 1960 | 74,933 |
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