Year | Value | 2022 | 12,891,030 | 2021 | 12,732,185 | 2020 | 12,596,531 | 2019 | 12,361,462 | 2018 | 12,206,060 | 2017 | 12,089,504 | 2016 | 12,002,353 | 2015 | 11,937,040 | 2014 | 11,884,839 | 2013 | 11,794,994 | 2012 | 11,656,589 | 2011 | 11,466,415 | 2010 | 11,243,121 | 2009 | 11,026,490 | 2008 | 10,870,124 | 2007 | 10,802,789 | 2006 | 10,883,665 | 2005 | 11,088,286 | 2004 | 11,299,578 | 2003 | 11,447,235 | 2002 | 11,528,602 | 2001 | 11,519,471 | 2000 | 11,505,022 | 1999 | 11,599,975 | 1998 | 11,810,400 | 1997 | 12,054,491 | 1996 | 12,296,927 | 1995 | 12,502,735 | 1994 | 12,595,613 | 1993 | 12,595,107 | 1992 | 12,546,051 | 1991 | 12,444,056 | 1990 | 12,293,745 | 1989 | 12,140,069 | 1988 | 11,966,819 | 1987 | 11,731,292 | 1986 | 11,620,154 | 1985 | 11,397,194 | 1984 | 10,880,641 | 1983 | 10,498,630 | 1982 | 10,381,914 | 1981 | 10,121,727 | 1980 | 9,737,341 | 1979 | 9,525,668 | 1978 | 9,268,618 | 1977 | 8,831,705 | 1976 | 8,282,666 | 1975 | 7,914,107 | 1974 | 7,681,080 | 1973 | 7,364,329 | 1972 | 7,014,121 | 1971 | 6,793,018 | 1970 | 6,629,929 | 1969 | 6,469,302 | 1968 | 6,354,376 | 1967 | 6,285,272 | 1966 | 6,234,086 | 1965 | 6,207,219 | 1964 | 6,286,036 | 1963 | 6,364,011 | 1962 | 6,419,473 | 1961 | 6,551,614 | 1960 | 6,661,404 |
|