| Year | Value | | 2022 | 10,682,766 | | 2021 | 10,674,405 | | 2020 | 10,564,472 | | 2019 | 10,514,808 | | 2018 | 10,457,023 | | 2017 | 10,385,204 | | 2016 | 10,353,683 | | 2015 | 10,318,912 | | 2014 | 10,280,468 | | 2013 | 10,237,951 | | 2012 | 10,192,526 | | 2011 | 10,131,202 | | 2010 | 10,059,778 | | 2009 | 9,993,388 | | 2008 | 9,922,130 | | 2007 | 9,844,210 | | 2006 | 9,764,340 | | 2005 | 9,688,144 | | 2004 | 9,617,730 | | 2003 | 9,546,233 | | 2002 | 9,472,882 | | 2001 | 9,400,695 | | 2000 | 9,346,333 | | 1999 | 9,305,256 | | 1998 | 9,263,025 | | 1997 | 9,220,665 | | 1996 | 9,170,494 | | 1995 | 9,110,921 | | 1994 | 9,039,920 | | 1993 | 8,957,306 | | 1992 | 8,867,266 | | 1991 | 8,775,140 | | 1990 | 8,680,922 | | 1989 | 8,586,933 | | 1988 | 8,490,910 | | 1987 | 8,387,761 | | 1986 | 8,281,996 | | 1985 | 8,176,936 | | 1984 | 8,074,325 | | 1983 | 7,973,970 | | 1982 | 7,870,288 | | 1981 | 7,756,200 | | 1980 | 7,634,256 | | 1979 | 7,508,225 | | 1978 | 7,380,383 | | 1977 | 7,257,214 | | 1976 | 7,137,823 | | 1975 | 7,019,252 | | 1974 | 6,902,029 | | 1973 | 6,782,676 | | 1972 | 6,659,761 | | 1971 | 6,534,358 | | 1970 | 6,406,116 | | 1969 | 6,277,046 | | 1968 | 6,147,071 | | 1967 | 6,015,257 | | 1966 | 5,885,497 | | 1965 | 5,758,887 | | 1964 | 5,633,772 | | 1963 | 5,510,759 | | 1962 | 5,390,678 | | 1961 | 5,273,799 | | 1960 | 5,159,694 |
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