| Year | Value | | 2022 | 10,857,387 | | 2021 | 10,672,830 | | 2020 | 10,480,465 | | 2019 | 10,279,833 | | 2018 | 10,073,534 | | 2017 | 9,864,042 | | 2016 | 9,651,859 | | 2015 | 9,439,084 | | 2014 | 9,225,180 | | 2013 | 9,009,203 | | 2012 | 8,794,599 | | 2011 | 8,580,744 | | 2010 | 8,364,211 | | 2009 | 8,142,545 | | 2008 | 7,921,154 | | 2007 | 7,704,044 | | 2006 | 7,494,800 | | 2005 | 7,296,161 | | 2004 | 7,112,237 | | 2003 | 6,941,613 | | 2002 | 6,780,477 | | 2001 | 6,624,573 | | 2000 | 6,448,823 | | 1999 | 6,228,982 | | 1998 | 6,024,973 | | 1997 | 5,829,145 | | 1996 | 5,640,497 | | 1995 | 5,461,974 | | 1994 | 5,290,284 | | 1993 | 5,124,495 | | 1992 | 4,964,587 | | 1991 | 4,807,951 | | 1990 | 4,657,421 | | 1989 | 4,535,518 | | 1988 | 4,412,629 | | 1987 | 4,288,614 | | 1986 | 4,161,731 | | 1985 | 4,034,938 | | 1984 | 3,911,983 | | 1983 | 3,790,055 | | 1982 | 3,666,368 | | 1981 | 3,547,099 | | 1980 | 3,442,846 | | 1979 | 3,397,719 | | 1978 | 3,351,698 | | 1977 | 3,304,562 | | 1976 | 3,256,578 | | 1975 | 3,208,566 | | 1974 | 3,161,148 | | 1973 | 3,114,865 | | 1972 | 3,069,431 | | 1971 | 3,025,340 | | 1970 | 2,982,141 | | 1969 | 2,937,507 | | 1968 | 2,909,426 | | 1967 | 2,876,771 | | 1966 | 2,841,231 | | 1965 | 2,803,071 | | 1964 | 2,762,825 | | 1963 | 2,720,673 | | 1962 | 2,665,887 | | 1961 | 2,609,333 | | 1960 | 2,553,409 |
|