| Year | Value | | 2022 | 5,911,748 | | 2021 | 5,863,808 | | 2020 | 5,842,749 | | 2019 | 5,821,746 | | 2018 | 5,794,664 | | 2017 | 5,772,621 | | 2016 | 5,754,446 | | 2015 | 5,729,707 | | 2014 | 5,700,881 | | 2013 | 5,679,319 | | 2012 | 5,655,983 | | 2011 | 5,624,101 | | 2010 | 5,554,185 | | 2009 | 5,506,057 | | 2008 | 5,464,009 | | 2007 | 5,422,833 | | 2006 | 5,384,595 | | 2005 | 5,350,390 | | 2004 | 5,322,057 | | 2003 | 5,300,080 | | 2002 | 5,278,890 | | 2001 | 5,255,887 | | 2000 | 5,238,286 | | 1999 | 5,225,912 | | 1998 | 5,214,277 | | 1997 | 5,203,539 | | 1996 | 5,191,148 | | 1995 | 5,180,981 | | 1994 | 5,170,235 | | 1993 | 5,154,597 | | 1992 | 5,134,710 | | 1991 | 5,114,249 | | 1990 | 5,095,639 | | 1989 | 5,080,811 | | 1988 | 5,062,638 | | 1987 | 5,046,723 | | 1986 | 5,042,826 | | 1985 | 5,041,213 | | 1984 | 5,039,566 | | 1983 | 5,039,747 | | 1982 | 5,040,429 | | 1981 | 5,041,794 | | 1980 | 5,041,568 | | 1979 | 5,035,561 | | 1978 | 5,030,602 | | 1977 | 5,025,334 | | 1976 | 5,018,345 | | 1975 | 5,008,581 | | 1974 | 4,993,406 | | 1973 | 4,976,887 | | 1972 | 4,960,265 | | 1971 | 4,940,061 | | 1970 | 4,930,568 | | 1969 | 4,925,093 | | 1968 | 4,910,379 | | 1967 | 4,890,437 | | 1966 | 4,862,814 | | 1965 | 4,829,627 | | 1964 | 4,785,461 | | 1963 | 4,739,832 | | 1962 | 4,703,850 | | 1961 | 4,684,322 | | 1960 | 4,667,532 |
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