Year | Value | 2022 | 2,410,871 | 2021 | 2,347,062 | 2020 | 2,317,672 | 2019 | 2,298,147 | 2018 | 2,267,916 | 2017 | 2,215,268 | 2016 | 2,129,339 | 2015 | 1,990,405 | 2014 | 1,882,621 | 2013 | 1,861,225 | 2012 | 1,874,021 | 2011 | 1,964,887 | 2010 | 2,206,665 | 2009 | 2,396,409 | 2008 | 2,509,615 | 2007 | 2,589,527 | 2006 | 2,602,890 | 2005 | 2,537,158 | 2004 | 2,434,099 | 2003 | 2,295,849 | 2002 | 2,149,607 | 2001 | 2,026,104 | 2000 | 1,928,719 | 1999 | 1,859,834 | 1998 | 1,847,158 | 1997 | 1,862,043 | 1996 | 1,841,989 | 1995 | 1,786,409 | 1994 | 1,699,589 | 1993 | 1,595,650 | 1992 | 1,512,285 | 1991 | 1,473,137 | 1990 | 1,455,462 | 1989 | 1,426,417 | 1988 | 1,350,404 | 1987 | 1,229,376 | 1986 | 1,094,451 | 1985 | 983,820 | 1984 | 966,861 | 1983 | 1,069,804 | 1982 | 1,235,820 | 1981 | 1,397,938 | 1980 | 1,519,674 | 1979 | 1,587,957 | 1978 | 1,621,253 | 1977 | 1,643,491 | 1976 | 1,671,189 | 1975 | 1,711,621 | 1974 | 1,746,857 | 1973 | 1,763,300 | 1972 | 1,771,102 | 1971 | 1,775,384 | 1970 | 1,771,865 | 1969 | 1,746,574 | 1968 | 1,704,046 | 1967 | 1,651,522 | 1966 | 1,584,467 | 1965 | 1,510,446 | 1964 | 1,438,520 | 1963 | 1,379,888 | 1962 | 1,333,446 | 1961 | 1,298,432 | 1960 | 1,274,902 |
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