Year | Value | 2022 | 61,426 | 2021 | 63,944 | 2020 | 66,412 | 2019 | 69,429 | 2018 | 70,305 | 2017 | 69,745 | 2016 | 70,160 | 2015 | 69,853 | 2014 | 68,968 | 2013 | 67,509 | 2012 | 65,333 | 2011 | 62,771 | 2010 | 60,249 | 2009 | 58,016 | 2008 | 56,272 | 2007 | 55,115 | 2006 | 54,155 | 2005 | 53,041 | 2004 | 51,786 | 2003 | 50,512 | 2002 | 49,352 | 2001 | 48,651 | 2000 | 48,926 | 1999 | 50,330 | 1998 | 52,556 | 1997 | 55,087 | 1996 | 57,337 | 1995 | 58,710 | 1994 | 58,906 | 1993 | 57,918 | 1992 | 56,066 | 1991 | 54,140 | 1990 | 52,823 | 1989 | 52,054 | 1988 | 51,340 | 1987 | 50,541 | 1986 | 49,603 | 1985 | 48,208 | 1984 | 46,439 | 1983 | 44,756 | 1982 | 43,223 | 1981 | 41,588 | 1980 | 39,785 | 1979 | 37,911 | 1978 | 36,032 | 1977 | 34,173 | 1976 | 32,396 | 1975 | 30,755 | 1974 | 29,274 | 1973 | 27,981 | 1972 | 26,903 | 1971 | 26,019 | 1970 | 25,320 | 1969 | 24,973 | 1968 | 24,869 | 1967 | 24,727 | 1966 | 24,547 | 1965 | 24,341 | 1964 | 24,129 | 1963 | 23,982 | 1962 | 23,942 | 1961 | 23,981 | 1960 | 24,044 |
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