Year | Value | 2022 | 203,234 | 2021 | 181,435 | 2020 | 162,377 | 2019 | 150,502 | 2018 | 146,150 | 2017 | 144,686 | 2016 | 145,618 | 2015 | 147,861 | 2014 | 151,069 | 2013 | 155,178 | 2012 | 159,513 | 2011 | 162,772 | 2010 | 162,531 | 2009 | 160,668 | 2008 | 158,345 | 2007 | 154,639 | 2006 | 152,315 | 2005 | 152,507 | 2004 | 154,646 | 2003 | 158,934 | 2002 | 164,044 | 2001 | 166,241 | 2000 | 163,154 | 1999 | 154,986 | 1998 | 142,459 | 1997 | 125,547 | 1996 | 108,726 | 1995 | 94,979 | 1994 | 83,967 | 1993 | 74,987 | 1992 | 68,510 | 1991 | 63,888 | 1990 | 60,818 | 1989 | 59,843 | 1988 | 61,113 | 1987 | 63,921 | 1986 | 66,951 | 1985 | 69,344 | 1984 | 71,012 | 1983 | 71,884 | 1982 | 72,103 | 1981 | 72,596 | 1980 | 73,922 | 1979 | 75,854 | 1978 | 78,083 | 1977 | 80,547 | 1976 | 82,840 | 1975 | 84,687 | 1974 | 86,273 | 1973 | 87,740 | 1972 | 88,784 | 1971 | 88,933 | 1970 | 87,877 | 1969 | 85,502 | 1968 | 81,642 | 1967 | 76,874 | 1966 | 72,496 | 1965 | 69,357 | 1964 | 67,512 | 1963 | 67,047 | 1962 | 67,692 | 1961 | 68,380 | 1960 | 68,459 |
|