| Year | Value | | 2022 | 2,695,952 | | 2021 | 2,590,523 | | 2020 | 2,488,943 | | 2019 | 2,389,505 | | 2018 | 2,292,177 | | 2017 | 2,197,486 | | 2016 | 2,105,443 | | 2015 | 2,016,084 | | 2014 | 1,929,389 | | 2013 | 1,845,503 | | 2012 | 1,759,879 | | 2011 | 1,673,772 | | 2010 | 1,593,058 | | 2009 | 1,517,970 | | 2008 | 1,448,147 | | 2007 | 1,384,075 | | 2006 | 1,324,867 | | 2005 | 1,268,535 | | 2004 | 1,214,843 | | 2003 | 1,163,451 | | 2002 | 1,114,008 | | 2001 | 1,066,506 | | 2000 | 1,026,554 | | 1999 | 1,001,440 | | 1998 | 977,786 | | 1997 | 955,428 | | 1996 | 937,086 | | 1995 | 921,311 | | 1994 | 898,966 | | 1993 | 871,381 | | 1992 | 839,146 | | 1991 | 809,970 | | 1990 | 788,830 | | 1989 | 771,205 | | 1988 | 754,144 | | 1987 | 709,061 | | 1986 | 658,683 | | 1985 | 611,088 | | 1984 | 566,203 | | 1983 | 523,899 | | 1982 | 484,215 | | 1981 | 447,041 | | 1980 | 412,397 | | 1979 | 380,148 | | 1978 | 350,143 | | 1977 | 322,223 | | 1976 | 294,764 | | 1975 | 267,898 | | 1974 | 243,223 | | 1973 | 220,569 | | 1972 | 199,829 | | 1971 | 180,809 | | 1970 | 163,437 | | 1969 | 147,580 | | 1968 | 133,169 | | 1967 | 120,047 | | 1966 | 108,163 | | 1965 | 97,431 | | 1964 | 87,753 | | 1963 | 79,018 | | 1962 | 71,150 | | 1961 | 64,065 | | 1960 | 57,687 |
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