| Year | Value | | 2022 | 5,629,778 | | 2021 | 5,428,405 | | 2020 | 5,266,489 | | 2019 | 5,144,830 | | 2018 | 5,048,577 | | 2017 | 4,965,004 | | 2016 | 4,906,284 | | 2015 | 4,863,131 | | 2014 | 4,805,959 | | 2013 | 4,740,059 | | 2012 | 4,680,111 | | 2011 | 4,617,403 | | 2010 | 4,547,416 | | 2009 | 4,477,739 | | 2008 | 4,412,466 | | 2007 | 4,348,213 | | 2006 | 4,282,407 | | 2005 | 4,212,883 | | 2004 | 4,133,361 | | 2003 | 4,042,729 | | 2002 | 3,946,360 | | 2001 | 3,826,030 | | 2000 | 3,672,335 | | 1999 | 3,518,487 | | 1998 | 3,373,895 | | 1997 | 3,226,811 | | 1996 | 3,077,735 | | 1995 | 2,925,381 | | 1994 | 2,788,824 | | 1993 | 2,679,436 | | 1992 | 2,616,743 | | 1991 | 2,583,111 | | 1990 | 2,550,781 | | 1989 | 2,528,829 | | 1988 | 2,504,182 | | 1987 | 2,461,934 | | 1986 | 2,402,743 | | 1985 | 2,338,025 | | 1984 | 2,276,969 | | 1983 | 2,212,261 | | 1982 | 2,132,754 | | 1981 | 2,045,370 | | 1980 | 1,956,737 | | 1979 | 1,882,384 | | 1978 | 1,827,971 | | 1977 | 1,783,304 | | 1976 | 1,741,584 | | 1975 | 1,701,827 | | 1974 | 1,664,741 | | 1973 | 1,630,049 | | 1972 | 1,596,657 | | 1971 | 1,567,313 | | 1970 | 1,538,495 | | 1969 | 1,507,254 | | 1968 | 1,477,045 | | 1967 | 1,447,792 | | 1966 | 1,419,369 | | 1965 | 1,391,757 | | 1964 | 1,364,839 | | 1963 | 1,338,420 | | 1962 | 1,312,473 | | 1961 | 1,287,031 | | 1960 | 1,260,120 |
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