| Year | Value | | 2022 | 4,686,275 | | 2021 | 4,562,117 | | 2020 | 4,446,276 | | 2019 | 4,341,168 | | 2018 | 4,250,648 | | 2017 | 4,175,688 | | 2016 | 4,119,366 | | 2015 | 4,076,742 | | 2014 | 4,044,320 | | 2013 | 4,015,187 | | 2012 | 3,978,057 | | 2011 | 3,928,053 | | 2010 | 3,861,408 | | 2009 | 3,781,345 | | 2008 | 3,692,194 | | 2007 | 3,594,089 | | 2006 | 3,486,364 | | 2005 | 3,371,961 | | 2004 | 3,251,685 | | 2003 | 3,126,246 | | 2002 | 3,000,132 | | 2001 | 2,863,460 | | 2000 | 2,710,509 | | 1999 | 2,572,630 | | 1998 | 2,465,523 | | 1997 | 2,379,490 | | 1996 | 2,311,528 | | 1995 | 2,259,247 | | 1994 | 2,216,148 | | 1993 | 2,167,427 | | 1992 | 2,118,486 | | 1991 | 2,063,021 | | 1990 | 1,992,506 | | 1989 | 1,917,852 | | 1988 | 1,841,369 | | 1987 | 1,766,638 | | 1986 | 1,696,640 | | 1985 | 1,631,373 | | 1984 | 1,574,165 | | 1983 | 1,522,641 | | 1982 | 1,467,510 | | 1981 | 1,407,041 | | 1980 | 1,344,164 | | 1979 | 1,288,504 | | 1978 | 1,242,887 | | 1977 | 1,201,559 | | 1976 | 1,162,872 | | 1975 | 1,127,578 | | 1974 | 1,095,536 | | 1973 | 1,066,344 | | 1972 | 1,039,156 | | 1971 | 1,013,189 | | 1970 | 986,718 | | 1969 | 959,552 | | 1968 | 932,833 | | 1967 | 906,730 | | 1966 | 882,100 | | 1965 | 859,412 | | 1964 | 838,458 | | 1963 | 819,110 | | 1962 | 800,995 | | 1961 | 782,885 | | 1960 | 762,880 |
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