Year | Value | 2022 | 2,632,231 | 2021 | 2,577,941 | 2020 | 2,554,310 | 2019 | 2,531,348 | 2018 | 2,487,785 | 2017 | 2,418,297 | 2016 | 2,314,146 | 2015 | 2,157,574 | 2014 | 2,043,438 | 2013 | 2,025,702 | 2012 | 2,041,686 | 2011 | 2,142,131 | 2010 | 2,406,031 | 2009 | 2,613,310 | 2008 | 2,740,741 | 2007 | 2,833,237 | 2006 | 2,854,333 | 2005 | 2,790,338 | 2004 | 2,685,775 | 2003 | 2,541,740 | 2002 | 2,389,139 | 2001 | 2,264,419 | 2000 | 2,172,432 | 1999 | 2,115,192 | 1998 | 2,120,842 | 1997 | 2,168,008 | 1996 | 2,206,207 | 1995 | 2,234,871 | 1994 | 2,254,939 | 1993 | 2,270,857 | 1992 | 2,298,085 | 1991 | 2,350,334 | 1990 | 2,404,513 | 1989 | 2,394,793 | 1988 | 2,267,045 | 1987 | 2,062,507 | 1986 | 1,837,262 | 1985 | 1,649,351 | 1984 | 1,625,022 | 1983 | 1,798,926 | 1982 | 2,061,187 | 1981 | 2,307,615 | 1980 | 2,481,698 | 1979 | 2,558,955 | 1978 | 2,578,338 | 1977 | 2,581,517 | 1976 | 2,587,932 | 1975 | 2,591,246 | 1974 | 2,570,113 | 1973 | 2,527,043 | 1972 | 2,481,759 | 1971 | 2,442,350 | 1970 | 2,411,927 | 1969 | 2,377,373 | 1968 | 2,337,178 | 1967 | 2,300,132 | 1966 | 2,255,905 | 1965 | 2,210,277 | 1964 | 2,164,355 | 1963 | 2,116,556 | 1962 | 2,060,636 | 1961 | 2,003,222 | 1960 | 1,947,724 |
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