| Year | Value | | 2022 | 5,774,066 | | 2021 | 5,722,387 | | 2020 | 5,695,855 | | 2019 | 5,667,234 | | 2018 | 5,632,391 | | 2017 | 5,602,537 | | 2016 | 5,576,976 | | 2015 | 5,544,490 | | 2014 | 5,508,176 | | 2013 | 5,480,089 | | 2012 | 5,450,949 | | 2011 | 5,414,163 | | 2010 | 5,341,400 | | 2009 | 5,290,436 | | 2008 | 5,245,964 | | 2007 | 5,202,866 | | 2006 | 5,163,364 | | 2005 | 5,128,227 | | 2004 | 5,099,079 | | 2003 | 5,076,053 | | 2002 | 5,053,895 | | 2001 | 5,030,684 | | 2000 | 5,012,963 | | 1999 | 5,000,507 | | 1998 | 4,988,730 | | 1997 | 4,977,707 | | 1996 | 4,965,490 | | 1995 | 4,955,829 | | 1994 | 4,945,368 | | 1993 | 4,929,878 | | 1992 | 4,910,448 | | 1991 | 4,890,237 | | 1990 | 4,871,740 | | 1989 | 4,856,886 | | 1988 | 4,839,026 | | 1987 | 4,823,512 | | 1986 | 4,818,997 | | 1985 | 4,817,096 | | 1984 | 4,815,805 | | 1983 | 4,815,773 | | 1982 | 4,815,874 | | 1981 | 4,817,187 | | 1980 | 4,817,674 | | 1979 | 4,812,821 | | 1978 | 4,808,931 | | 1977 | 4,805,025 | | 1976 | 4,799,882 | | 1975 | 4,792,118 | | 1974 | 4,779,013 | | 1973 | 4,764,834 | | 1972 | 4,750,850 | | 1971 | 4,733,102 | | 1970 | 4,724,981 | | 1969 | 4,720,938 | | 1968 | 4,708,377 | | 1967 | 4,690,554 | | 1966 | 4,664,994 | | 1965 | 4,634,040 | | 1964 | 4,592,652 | | 1963 | 4,549,939 | | 1962 | 4,516,729 | | 1961 | 4,499,626 | | 1960 | 4,485,957 |
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