| Year | Value | | 2022 | 950,714 | | 2021 | 973,498 | | 2020 | 1,012,485 | | 2019 | 1,049,659 | | 2018 | 1,074,472 | | 2017 | 1,096,204 | | 2016 | 1,121,582 | | 2015 | 1,149,498 | | 2014 | 1,180,388 | | 2013 | 1,223,926 | | 2012 | 1,264,701 | | 2011 | 1,284,148 | | 2010 | 1,288,444 | | 2009 | 1,281,246 | | 2008 | 1,256,751 | | 2007 | 1,217,860 | | 2006 | 1,177,315 | | 2005 | 1,139,568 | | 2004 | 1,101,905 | | 2003 | 1,059,109 | | 2002 | 1,015,013 | | 2001 | 978,827 | | 2000 | 955,059 | | 1999 | 943,221 | | 1998 | 945,268 | | 1997 | 957,856 | | 1996 | 974,420 | | 1995 | 991,234 | | 1994 | 1,006,337 | | 1993 | 1,016,371 | | 1992 | 1,021,814 | | 1991 | 1,031,556 | | 1990 | 1,058,163 | | 1989 | 1,099,691 | | 1988 | 1,142,304 | | 1987 | 1,187,754 | | 1986 | 1,239,833 | | 1985 | 1,299,225 | | 1984 | 1,363,039 | | 1983 | 1,430,809 | | 1982 | 1,498,720 | | 1981 | 1,559,609 | | 1980 | 1,612,484 | | 1979 | 1,657,315 | | 1978 | 1,687,063 | | 1977 | 1,699,383 | | 1976 | 1,700,225 | | 1975 | 1,693,962 | | 1974 | 1,684,185 | | 1973 | 1,671,751 | | 1972 | 1,662,791 | | 1971 | 1,656,398 | | 1970 | 1,655,123 | | 1969 | 1,666,026 | | 1968 | 1,673,819 | | 1967 | 1,662,437 | | 1966 | 1,646,401 | | 1965 | 1,628,188 | | 1964 | 1,602,541 | | 1963 | 1,580,175 | | 1962 | 1,561,661 | | 1961 | 1,536,150 | | 1960 | 1,517,662 |
|