Year | Value | 2022 | 11,333,685 | 2021 | 11,462,637 | 2020 | 11,624,513 | 2019 | 11,663,144 | 2018 | 11,698,726 | 2017 | 11,634,024 | 2016 | 11,490,319 | 2015 | 11,312,313 | 2014 | 11,127,533 | 2013 | 10,955,322 | 2012 | 10,815,605 | 2011 | 10,696,568 | 2010 | 10,620,540 | 2009 | 10,572,975 | 2008 | 10,495,696 | 2007 | 10,350,658 | 2006 | 10,144,145 | 2005 | 9,911,532 | 2004 | 9,726,290 | 2003 | 9,615,874 | 2002 | 9,606,137 | 2001 | 9,718,496 | 2000 | 9,908,320 | 1999 | 10,048,553 | 1998 | 10,124,956 | 1997 | 10,156,286 | 1996 | 10,110,148 | 1995 | 10,042,233 | 1994 | 10,055,480 | 1993 | 10,169,067 | 1992 | 10,314,120 | 1991 | 10,468,157 | 1990 | 10,619,458 | 1989 | 10,740,541 | 1988 | 10,846,881 | 1987 | 10,920,124 | 1986 | 10,929,465 | 1985 | 10,852,788 | 1984 | 10,737,355 | 1983 | 10,574,208 | 1982 | 10,310,073 | 1981 | 10,206,254 | 1980 | 9,956,338 | 1979 | 9,408,896 | 1978 | 9,002,362 | 1977 | 8,778,600 | 1976 | 8,441,079 | 1975 | 8,096,124 | 1974 | 7,899,489 | 1973 | 7,686,339 | 1972 | 7,384,437 | 1971 | 6,915,239 | 1970 | 6,571,655 | 1969 | 6,419,954 | 1968 | 6,188,741 | 1967 | 5,904,450 | 1966 | 5,789,939 | 1965 | 5,714,936 | 1964 | 5,553,623 | 1963 | 5,533,402 | 1962 | 5,614,626 | 1961 | 5,677,222 | 1960 | 5,824,537 |
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