Year | Value | 2022 | 3,429,801 | 2021 | 3,460,710 | 2020 | 3,399,181 | 2019 | 3,324,694 | 2018 | 3,248,766 | 2017 | 3,186,163 | 2016 | 3,184,685 | 2015 | 3,239,302 | 2014 | 3,309,820 | 2013 | 3,393,887 | 2012 | 3,500,534 | 2011 | 3,611,784 | 2010 | 3,718,807 | 2009 | 3,815,741 | 2008 | 3,866,811 | 2007 | 3,885,880 | 2006 | 3,873,311 | 2005 | 3,832,690 | 2004 | 3,776,840 | 2003 | 3,716,167 | 2002 | 3,647,863 | 2001 | 3,564,054 | 2000 | 3,412,304 | 1999 | 3,220,245 | 1998 | 3,039,085 | 1997 | 2,876,469 | 1996 | 2,757,504 | 1995 | 2,734,044 | 1994 | 2,771,754 | 1993 | 2,809,731 | 1992 | 2,858,900 | 1991 | 2,920,043 | 1990 | 2,970,017 | 1989 | 3,002,291 | 1988 | 3,032,522 | 1987 | 3,071,302 | 1986 | 3,112,316 | 1985 | 3,158,647 | 1984 | 3,206,231 | 1983 | 3,238,426 | 1982 | 3,237,219 | 1981 | 3,201,534 | 1980 | 3,155,035 | 1979 | 3,102,606 | 1978 | 3,047,852 | 1977 | 2,997,057 | 1976 | 2,940,930 | 1975 | 2,849,790 | 1974 | 2,718,164 | 1973 | 2,498,986 | 1972 | 2,219,522 | 1971 | 1,981,131 | 1970 | 1,823,415 | 1969 | 1,795,114 | 1968 | 1,924,524 | 1967 | 2,136,248 | 1966 | 2,342,141 | 1965 | 2,516,878 | 1964 | 2,617,835 | 1963 | 2,648,400 | 1962 | 2,654,714 | 1961 | 2,648,125 | 1960 | 2,617,588 |
|