Year | Value | 2022 | 6,537,435 | 2021 | 6,401,230 | 2020 | 6,163,706 | 2019 | 5,890,593 | 2018 | 5,638,220 | 2017 | 5,436,255 | 2016 | 5,300,474 | 2015 | 5,247,037 | 2014 | 5,248,275 | 2013 | 5,283,215 | 2012 | 5,329,133 | 2011 | 5,303,851 | 2010 | 5,196,210 | 2009 | 5,021,960 | 2008 | 4,784,892 | 2007 | 4,547,199 | 2006 | 4,370,100 | 2005 | 4,289,129 | 2004 | 4,288,826 | 2003 | 4,341,089 | 2002 | 4,382,867 | 2001 | 4,386,835 | 2000 | 4,355,167 | 1999 | 4,293,318 | 1998 | 4,209,660 | 1997 | 4,098,339 | 1996 | 3,972,255 | 1995 | 3,822,032 | 1994 | 3,659,759 | 1993 | 3,502,151 | 1992 | 3,341,101 | 1991 | 3,196,172 | 1990 | 3,110,854 | 1989 | 3,090,081 | 1988 | 3,100,075 | 1987 | 3,150,214 | 1986 | 3,227,035 | 1985 | 3,262,211 | 1984 | 3,230,071 | 1983 | 3,158,982 | 1982 | 3,072,387 | 1981 | 2,977,923 | 1980 | 2,904,820 | 1979 | 2,839,461 | 1978 | 2,767,838 | 1977 | 2,690,598 | 1976 | 2,608,031 | 1975 | 2,521,563 | 1974 | 2,441,382 | 1973 | 2,357,328 | 1972 | 2,273,082 | 1971 | 2,195,075 | 1970 | 2,115,205 | 1969 | 2,053,174 | 1968 | 2,008,823 | 1967 | 1,966,074 | 1966 | 1,916,534 | 1965 | 1,863,031 | 1964 | 1,808,680 | 1963 | 1,771,278 | 1962 | 1,732,914 | 1961 | 1,679,957 | 1960 | 1,628,901 |
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