Year | Value | 2022 | 2,176,677 | 2021 | 2,145,863 | 2020 | 2,098,935 | 2019 | 2,045,197 | 2018 | 1,984,049 | 2017 | 1,924,392 | 2016 | 1,879,599 | 2015 | 1,848,727 | 2014 | 1,820,743 | 2013 | 1,791,014 | 2012 | 1,757,593 | 2011 | 1,721,330 | 2010 | 1,683,834 | 2009 | 1,646,409 | 2008 | 1,612,382 | 2007 | 1,583,764 | 2006 | 1,561,091 | 2005 | 1,546,206 | 2004 | 1,538,618 | 2003 | 1,536,883 | 2002 | 1,539,553 | 2001 | 1,543,763 | 2000 | 1,547,025 | 1999 | 1,547,295 | 1998 | 1,541,690 | 1997 | 1,528,332 | 1996 | 1,507,647 | 1995 | 1,480,175 | 1994 | 1,445,778 | 1993 | 1,406,739 | 1992 | 1,365,238 | 1991 | 1,321,943 | 1990 | 1,276,659 | 1989 | 1,229,851 | 1988 | 1,183,088 | 1987 | 1,136,734 | 1986 | 1,091,184 | 1985 | 1,046,811 | 1984 | 1,003,554 | 1983 | 957,411 | 1982 | 910,713 | 1981 | 868,240 | 1980 | 827,571 | 1979 | 788,581 | 1978 | 755,851 | 1977 | 727,506 | 1976 | 700,258 | 1975 | 674,775 | 1974 | 650,130 | 1973 | 626,630 | 1972 | 604,846 | 1971 | 585,783 | 1970 | 568,892 | 1969 | 553,822 | 1968 | 541,295 | 1967 | 530,573 | 1966 | 520,349 | 1965 | 509,736 | 1964 | 498,942 | 1963 | 488,153 | 1962 | 477,068 | 1961 | 466,079 | 1960 | 455,425 |
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