| Year | Value | | 2022 | 1,259,248 | | 2021 | 1,302,355 | | 2020 | 1,354,158 | | 2019 | 1,409,098 | | 2018 | 1,466,411 | | 2017 | 1,528,626 | | 2016 | 1,594,889 | | 2015 | 1,664,686 | | 2014 | 1,738,782 | | 2013 | 1,817,063 | | 2012 | 1,912,076 | | 2011 | 2,023,367 | | 2010 | 2,137,737 | | 2009 | 2,266,647 | | 2008 | 2,400,728 | | 2007 | 2,532,774 | | 2006 | 2,674,876 | | 2005 | 2,834,761 | | 2004 | 3,009,850 | | 2003 | 3,189,732 | | 2002 | 3,373,027 | | 2001 | 3,557,438 | | 2000 | 3,695,515 | | 1999 | 3,790,157 | | 1998 | 3,887,534 | | 1997 | 3,988,053 | | 1996 | 4,093,839 | | 1995 | 4,203,458 | | 1994 | 4,313,040 | | 1993 | 4,418,916 | | 1992 | 4,521,389 | | 1991 | 4,622,058 | | 1990 | 4,682,215 | | 1989 | 4,707,697 | | 1988 | 4,737,105 | | 1987 | 4,764,231 | | 1986 | 4,791,802 | | 1985 | 4,822,960 | | 1984 | 4,858,219 | | 1983 | 4,896,872 | | 1982 | 4,936,304 | | 1981 | 4,971,706 | | 1980 | 4,988,512 | | 1979 | 4,992,711 | | 1978 | 5,001,864 | | 1977 | 5,014,415 | | 1976 | 5,027,799 | | 1975 | 5,031,535 | | 1974 | 5,029,686 | | 1973 | 5,033,026 | | 1972 | 5,033,943 | | 1971 | 5,025,388 | | 1970 | 4,998,580 | | 1969 | 4,960,471 | | 1968 | 4,926,402 | | 1967 | 4,898,433 | | 1966 | 4,865,910 | | 1965 | 4,825,313 | | 1964 | 4,781,723 | | 1963 | 4,740,078 | | 1962 | 4,698,192 | | 1961 | 4,653,157 | | 1960 | 4,623,139 |
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