| Year | Value | | 2022 | 11,527,437 | | 2021 | 11,404,334 | | 2020 | 11,326,932 | | 2019 | 11,285,209 | | 2018 | 11,281,052 | | 2017 | 11,306,337 | | 2016 | 11,328,778 | | 2015 | 11,325,461 | | 2014 | 11,300,500 | | 2013 | 11,244,142 | | 2012 | 11,150,520 | | 2011 | 11,062,691 | | 2010 | 10,993,433 | | 2009 | 10,942,760 | | 2008 | 10,926,462 | | 2007 | 10,922,228 | | 2006 | 10,903,139 | | 2005 | 10,905,707 | | 2004 | 10,964,890 | | 2003 | 11,041,771 | | 2002 | 11,119,987 | | 2001 | 11,192,850 | | 2000 | 11,227,143 | | 1999 | 11,191,954 | | 1998 | 11,098,151 | | 1997 | 10,969,295 | | 1996 | 10,823,069 | | 1995 | 10,673,982 | | 1994 | 10,516,075 | | 1993 | 10,360,247 | | 1992 | 10,213,184 | | 1991 | 10,066,503 | | 1990 | 9,919,055 | | 1989 | 9,774,454 | | 1988 | 9,622,766 | | 1987 | 9,463,894 | | 1986 | 9,306,061 | | 1985 | 9,134,776 | | 1984 | 8,945,020 | | 1983 | 8,744,208 | | 1982 | 8,531,957 | | 1981 | 8,305,409 | | 1980 | 8,070,610 | | 1979 | 7,827,989 | | 1978 | 7,573,910 | | 1977 | 7,309,656 | | 1976 | 7,036,267 | | 1975 | 6,756,623 | | 1974 | 6,477,631 | | 1973 | 6,202,177 | | 1972 | 5,927,750 | | 1971 | 5,655,617 | | 1970 | 5,389,076 | | 1969 | 5,135,407 | | 1968 | 4,904,850 | | 1967 | 4,711,801 | | 1966 | 4,572,667 | | 1965 | 4,489,221 | | 1964 | 4,432,564 | | 1963 | 4,390,873 | | 1962 | 4,369,417 | | 1961 | 4,353,957 | | 1960 | 4,343,849 |
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