Year | Value | 2022 | 182,876 | 2021 | 179,785 | 2020 | 175,843 | 2019 | 170,711 | 2018 | 165,013 | 2017 | 158,371 | 2016 | 152,342 | 2015 | 148,411 | 2014 | 147,673 | 2013 | 147,030 | 2012 | 145,731 | 2011 | 144,659 | 2010 | 142,546 | 2009 | 140,075 | 2008 | 136,165 | 2007 | 131,959 | 2006 | 130,905 | 2005 | 129,499 | 2004 | 125,912 | 2003 | 117,963 | 2002 | 110,090 | 2001 | 104,215 | 2000 | 100,132 | 1999 | 100,218 | 1998 | 101,428 | 1997 | 102,454 | 1996 | 103,504 | 1995 | 96,573 | 1994 | 88,209 | 1993 | 84,697 | 1992 | 81,176 | 1991 | 86,154 | 1990 | 90,648 | 1989 | 88,792 | 1988 | 86,657 | 1987 | 84,355 | 1986 | 81,911 | 1985 | 79,363 | 1984 | 76,823 | 1983 | 74,181 | 1982 | 71,513 | 1981 | 68,858 | 1980 | 66,255 | 1979 | 63,796 | 1978 | 61,527 | 1977 | 59,412 | 1976 | 57,429 | 1975 | 55,568 | 1974 | 54,717 | 1973 | 54,804 | 1972 | 55,292 | 1971 | 56,336 | 1970 | 57,586 | 1969 | 57,935 | 1968 | 57,349 | 1967 | 56,415 | 1966 | 55,021 | 1965 | 53,537 | 1964 | 52,067 | 1963 | 50,679 | 1962 | 49,381 | 1961 | 48,136 | 1960 | 46,917 |
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