| Year | Value | | 2022 | 922,394 | | 2021 | 933,557 | | 2020 | 937,903 | | 2019 | 941,163 | | 2018 | 943,584 | | 2017 | 945,229 | | 2016 | 946,044 | | 2015 | 925,119 | | 2014 | 865,803 | | 2013 | 836,811 | | 2012 | 852,082 | | 2011 | 912,068 | | 2010 | 964,277 | | 2009 | 1,021,956 | | 2008 | 1,081,689 | | 2007 | 1,141,206 | | 2006 | 1,156,177 | | 2005 | 1,164,951 | | 2004 | 1,199,374 | | 2003 | 1,170,526 | | 2002 | 1,145,001 | | 2001 | 1,121,316 | | 2000 | 1,098,707 | | 1999 | 1,076,398 | | 1998 | 1,053,900 | | 1997 | 1,030,424 | | 1996 | 1,003,770 | | 1995 | 971,574 | | 1994 | 952,320 | | 1993 | 950,467 | | 1992 | 944,062 | | 1991 | 936,577 | | 1990 | 929,630 | | 1989 | 923,922 | | 1988 | 919,749 | | 1987 | 916,286 | | 1986 | 912,464 | | 1985 | 908,102 | | 1984 | 903,331 | | 1983 | 898,331 | | 1982 | 893,189 | | 1981 | 888,893 | | 1980 | 886,118 | | 1979 | 877,040 | | 1978 | 855,595 | | 1977 | 835,938 | | 1976 | 817,270 | | 1975 | 798,990 | | 1974 | 780,104 | | 1973 | 760,342 | | 1972 | 739,110 | | 1971 | 714,941 | | 1970 | 685,696 | | 1969 | 650,610 | | 1968 | 610,945 | | 1967 | 570,100 | | 1966 | 532,320 | | 1965 | 500,133 | | 1964 | 474,431 | | 1963 | 454,416 | | 1962 | 437,260 | | 1961 | 424,413 | | 1960 | 416,515 |
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