Year | Value | 2022 | 9,031,339 | 2021 | 9,015,445 | 2020 | 8,987,998 | 2019 | 8,943,495 | 2018 | 8,935,082 | 2017 | 8,965,889 | 2016 | 9,050,083 | 2015 | 9,182,964 | 2014 | 9,349,001 | 2013 | 9,506,917 | 2012 | 9,620,248 | 2011 | 9,699,017 | 2010 | 9,795,727 | 2009 | 9,835,265 | 2008 | 9,859,491 | 2007 | 9,886,216 | 2006 | 9,960,427 | 2005 | 10,075,877 | 2004 | 10,180,187 | 2003 | 10,249,273 | 2002 | 10,282,563 | 2001 | 10,296,251 | 2000 | 10,322,408 | 1999 | 10,395,308 | 1998 | 10,522,850 | 1997 | 10,698,123 | 1996 | 10,930,639 | 1995 | 11,178,915 | 1994 | 11,417,195 | 1993 | 11,643,015 | 1992 | 11,830,770 | 1991 | 11,966,128 | 1990 | 12,082,959 | 1989 | 12,221,731 | 1988 | 12,335,404 | 1987 | 12,383,799 | 1986 | 12,358,001 | 1985 | 12,274,388 | 1984 | 12,133,256 | 1983 | 11,949,410 | 1982 | 11,773,946 | 1981 | 11,595,799 | 1980 | 11,396,323 | 1979 | 11,213,287 | 1978 | 11,062,456 | 1977 | 10,946,541 | 1976 | 10,855,342 | 1975 | 10,792,916 | 1974 | 10,752,748 | 1973 | 10,736,174 | 1972 | 10,706,473 | 1971 | 10,605,239 | 1970 | 10,349,423 | 1969 | 10,034,020 | 1968 | 9,771,708 | 1967 | 9,493,982 | 1966 | 9,303,446 | 1965 | 9,403,763 | 1964 | 9,616,677 | 1963 | 9,722,350 | 1962 | 9,825,010 | 1961 | 9,927,829 | 1960 | 9,925,054 |
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