Year | Value | 2022 | 88,800 | 2021 | 82,509 | 2020 | 77,288 | 2019 | 73,093 | 2018 | 68,459 | 2017 | 63,596 | 2016 | 57,821 | 2015 | 50,041 | 2014 | 40,947 | 2013 | 32,865 | 2012 | 27,842 | 2011 | 27,357 | 2010 | 31,987 | 2009 | 40,290 | 2008 | 49,589 | 2007 | 57,356 | 2006 | 61,737 | 2005 | 62,483 | 2004 | 60,450 | 2003 | 57,163 | 2002 | 54,413 | 2001 | 52,913 | 2000 | 53,309 | 1999 | 55,802 | 1998 | 58,925 | 1997 | 61,169 | 1996 | 62,087 | 1995 | 61,652 | 1994 | 60,431 | 1993 | 59,657 | 1992 | 58,489 | 1991 | 55,925 | 1990 | 53,271 | 1989 | 50,307 | 1988 | 46,143 | 1987 | 41,860 | 1986 | 38,493 | 1985 | 36,414 | 1984 | 35,867 | 1983 | 37,421 | 1982 | 40,342 | 1981 | 42,889 | 1980 | 44,301 | 1979 | 44,627 | 1978 | 43,836 | 1977 | 42,250 | 1976 | 40,851 | 1975 | 40,270 | 1974 | 40,379 | 1973 | 41,131 | 1972 | 42,353 | 1971 | 43,027 | 1970 | 42,693 | 1969 | 41,413 | 1968 | 39,089 | 1967 | 36,017 | 1966 | 33,041 | 1965 | 30,648 | 1964 | 28,784 | 1963 | 27,218 | 1962 | 26,139 | 1961 | 25,508 | 1960 | 25,161 |
|