Year | Value | 2022 | 872,883 | 2021 | 873,338 | 2020 | 871,673 | 2019 | 867,732 | 2018 | 860,480 | 2017 | 849,850 | 2016 | 836,102 | 2015 | 820,758 | 2014 | 812,116 | 2013 | 813,635 | 2012 | 819,914 | 2011 | 830,580 | 2010 | 846,244 | 2009 | 860,637 | 2008 | 871,202 | 2007 | 883,875 | 2006 | 900,719 | 2005 | 918,366 | 2004 | 935,078 | 2003 | 952,738 | 2002 | 975,328 | 2001 | 1,000,580 | 2000 | 1,024,045 | 1999 | 1,045,561 | 1998 | 1,064,979 | 1997 | 1,082,018 | 1996 | 1,093,131 | 1995 | 1,096,345 | 1994 | 1,085,462 | 1993 | 1,064,708 | 1992 | 1,044,865 | 1991 | 1,027,160 | 1990 | 1,012,215 | 1989 | 999,577 | 1988 | 987,349 | 1987 | 974,908 | 1986 | 962,833 | 1985 | 949,977 | 1984 | 937,327 | 1983 | 924,413 | 1982 | 910,834 | 1981 | 900,521 | 1980 | 903,199 | 1979 | 921,106 | 1978 | 954,451 | 1977 | 1,016,580 | 1976 | 1,090,400 | 1975 | 1,152,963 | 1974 | 1,207,043 | 1973 | 1,248,383 | 1972 | 1,266,283 | 1971 | 1,261,310 | 1970 | 1,237,771 | 1969 | 1,200,768 | 1968 | 1,160,982 | 1967 | 1,108,691 | 1966 | 1,049,904 | 1965 | 1,009,069 | 1964 | 979,692 | 1963 | 962,896 | 1962 | 964,198 | 1961 | 958,023 | 1960 | 933,971 |
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