Year | Value | 2022 | 35,877,495 | 2021 | 36,127,747 | 2020 | 36,372,705 | 2019 | 36,697,963 | 2018 | 36,938,654 | 2017 | 37,147,222 | 2016 | 37,292,302 | 2015 | 37,393,138 | 2014 | 37,465,023 | 2013 | 37,508,423 | 2012 | 37,531,739 | 2011 | 37,552,971 | 2010 | 37,587,981 | 2009 | 37,635,362 | 2008 | 37,686,839 | 2007 | 37,767,668 | 2006 | 37,896,710 | 2005 | 38,085,588 | 2004 | 38,295,974 | 2003 | 38,515,588 | 2002 | 38,737,259 | 2001 | 38,908,572 | 2000 | 39,068,066 | 1999 | 39,226,849 | 1998 | 39,340,974 | 1997 | 39,400,215 | 1996 | 39,459,487 | 1995 | 39,509,505 | 1994 | 39,512,122 | 1993 | 39,518,242 | 1992 | 39,533,441 | 1991 | 39,489,185 | 1990 | 39,368,740 | 1989 | 39,296,740 | 1988 | 39,385,579 | 1987 | 39,738,044 | 1986 | 40,068,987 | 1985 | 40,391,011 | 1984 | 40,686,607 | 1983 | 40,990,219 | 1982 | 41,358,307 | 1981 | 41,712,214 | 1980 | 42,049,135 | 1979 | 42,367,388 | 1978 | 42,902,521 | 1977 | 43,620,050 | 1976 | 44,336,325 | 1975 | 45,054,966 | 1974 | 45,831,223 | 1973 | 46,607,946 | 1972 | 47,384,351 | 1971 | 48,162,739 | 1970 | 48,939,317 | 1969 | 49,741,704 | 1968 | 50,561,694 | 1967 | 51,383,521 | 1966 | 52,200,695 | 1965 | 53,013,631 | 1964 | 53,529,836 | 1963 | 54,036,643 | 1962 | 54,530,929 | 1961 | 55,009,623 | 1960 | 55,475,143 |
|