| Year | Value | | 2022 | 5,165,506 | | 2021 | 5,087,643 | | 2020 | 5,008,783 | | 2019 | 4,927,035 | | 2018 | 4,844,019 | | 2017 | 4,761,059 | | 2016 | 4,678,163 | | 2015 | 4,595,215 | | 2014 | 4,512,235 | | 2013 | 4,429,055 | | 2012 | 4,345,369 | | 2011 | 4,261,105 | | 2010 | 4,176,200 | | 2009 | 4,090,493 | | 2008 | 4,003,999 | | 2007 | 3,916,700 | | 2006 | 3,828,462 | | 2005 | 3,739,573 | | 2004 | 3,650,279 | | 2003 | 3,560,838 | | 2002 | 3,471,303 | | 2001 | 3,381,604 | | 2000 | 3,292,265 | | 1999 | 3,203,825 | | 1998 | 3,121,099 | | 1997 | 3,040,522 | | 1996 | 2,957,773 | | 1995 | 2,876,838 | | 1994 | 2,797,731 | | 1993 | 2,720,439 | | 1992 | 2,645,110 | | 1991 | 2,571,853 | | 1990 | 2,500,697 | | 1989 | 2,431,535 | | 1988 | 2,364,316 | | 1987 | 2,298,974 | | 1986 | 2,235,090 | | 1985 | 2,172,436 | | 1984 | 2,110,799 | | 1983 | 2,049,910 | | 1982 | 1,990,030 | | 1981 | 1,931,326 | | 1980 | 1,873,747 | | 1979 | 1,817,402 | | 1978 | 1,762,507 | | 1977 | 1,709,152 | | 1976 | 1,657,237 | | 1975 | 1,606,870 | | 1974 | 1,560,562 | | 1973 | 1,516,651 | | 1972 | 1,471,955 | | 1971 | 1,428,242 | | 1970 | 1,386,376 | | 1969 | 1,346,149 | | 1968 | 1,307,377 | | 1967 | 1,270,013 | | 1966 | 1,233,848 | | 1965 | 1,198,601 | | 1964 | 1,164,326 | | 1963 | 1,131,134 | | 1962 | 1,098,927 | | 1961 | 1,067,636 | | 1960 | 1,037,090 |
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