| Year | Value | | 2022 | 2,488,813 | | 2021 | 2,463,081 | | 2020 | 2,437,512 | | 2019 | 2,412,132 | | 2018 | 2,388,419 | | 2017 | 2,364,883 | | 2016 | 2,341,095 | | 2015 | 2,314,467 | | 2014 | 2,286,951 | | 2013 | 2,258,594 | | 2012 | 2,227,251 | | 2011 | 2,166,128 | | 2010 | 2,097,894 | | 2009 | 2,052,307 | | 2008 | 2,002,130 | | 2007 | 1,934,725 | | 2006 | 1,852,231 | | 2005 | 1,762,146 | | 2004 | 1,695,301 | | 2003 | 1,685,708 | | 2002 | 1,682,809 | | 2001 | 1,649,656 | | 2000 | 1,611,742 | | 1999 | 1,562,591 | | 1998 | 1,487,308 | | 1997 | 1,351,236 | | 1996 | 1,257,054 | | 1995 | 1,157,765 | | 1994 | 1,084,255 | | 1993 | 1,023,538 | | 1992 | 923,292 | | 1991 | 814,479 | | 1990 | 985,054 | | 1989 | 1,183,236 | | 1988 | 1,215,062 | | 1987 | 1,243,946 | | 1986 | 1,269,238 | | 1985 | 1,290,686 | | 1984 | 1,308,126 | | 1983 | 1,303,582 | | 1982 | 1,286,447 | | 1981 | 1,270,158 | | 1980 | 1,252,683 | | 1979 | 1,234,479 | | 1978 | 1,216,171 | | 1977 | 1,197,847 | | 1976 | 1,180,408 | | 1975 | 1,163,757 | | 1974 | 1,147,017 | | 1973 | 1,130,346 | | 1972 | 1,113,939 | | 1971 | 1,098,313 | | 1970 | 1,082,671 | | 1969 | 1,066,458 | | 1968 | 1,050,329 | | 1967 | 1,034,377 | | 1966 | 1,018,544 | | 1965 | 1,002,715 | | 1964 | 986,861 | | 1963 | 971,207 | | 1962 | 955,638 | | 1961 | 940,264 | | 1960 | 925,175 |
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