Year | Value | 2022 | 13,055,767 | 2021 | 12,837,954 | 2020 | 12,538,262 | 2019 | 12,231,573 | 2018 | 11,913,633 | 2017 | 11,584,305 | 2016 | 11,261,940 | 2015 | 10,949,441 | 2014 | 10,648,822 | 2013 | 10,359,709 | 2012 | 10,080,771 | 2011 | 9,819,253 | 2010 | 9,564,514 | 2009 | 9,304,249 | 2008 | 9,029,938 | 2007 | 8,762,901 | 2006 | 8,508,399 | 2005 | 8,231,482 | 2004 | 7,950,632 | 2003 | 7,707,630 | 2002 | 7,491,540 | 2001 | 7,327,840 | 2000 | 7,256,772 | 1999 | 7,241,263 | 1998 | 7,260,400 | 1997 | 7,308,688 | 1996 | 7,294,787 | 1995 | 7,191,231 | 1994 | 6,995,932 | 1993 | 6,719,217 | 1992 | 6,430,351 | 1991 | 6,209,817 | 1990 | 6,097,697 | 1989 | 6,046,875 | 1988 | 6,067,786 | 1987 | 6,082,281 | 1986 | 6,035,065 | 1985 | 5,928,674 | 1984 | 5,774,020 | 1983 | 5,591,140 | 1982 | 5,389,145 | 1981 | 5,198,779 | 1980 | 5,040,547 | 1979 | 4,879,835 | 1978 | 4,715,231 | 1977 | 4,557,236 | 1976 | 4,399,157 | 1975 | 4,278,490 | 1974 | 4,206,566 | 1973 | 4,153,069 | 1972 | 4,133,846 | 1971 | 4,139,489 | 1970 | 4,124,294 | 1969 | 4,077,737 | 1968 | 4,006,828 | 1967 | 3,927,738 | 1966 | 3,851,675 | 1965 | 3,766,358 | 1964 | 3,673,907 | 1963 | 3,589,147 | 1962 | 3,499,945 | 1961 | 3,391,189 | 1960 | 3,293,418 |
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