Year | Value | 2022 | 177,985,711 | 2021 | 177,296,719 | 2020 | 177,322,684 | 2019 | 177,119,929 | 2018 | 176,970,342 | 2017 | 176,624,235 | 2016 | 176,334,083 | 2015 | 175,912,692 | 2014 | 175,467,339 | 2013 | 174,919,395 | 2012 | 174,373,675 | 2011 | 174,033,254 | 2010 | 174,434,195 | 2009 | 174,051,868 | 2008 | 173,528,743 | 2007 | 172,746,056 | 2006 | 171,919,141 | 2005 | 171,186,359 | 2004 | 170,381,938 | 2003 | 169,521,430 | 2002 | 168,665,756 | 2001 | 167,879,730 | 2000 | 167,335,805 | 1999 | 166,821,520 | 1998 | 166,412,389 | 1997 | 166,079,293 | 1996 | 165,719,145 | 1995 | 165,355,418 | 1994 | 164,990,645 | 1993 | 164,544,076 | 1992 | 163,932,181 | 1991 | 163,311,090 | 1990 | 162,586,160 | 1989 | 161,921,399 | 1988 | 161,302,301 | 1987 | 160,827,312 | 1986 | 160,442,689 | 1985 | 160,093,081 | 1984 | 159,824,658 | 1983 | 159,589,948 | 1982 | 159,287,778 | 1981 | 158,851,452 | 1980 | 158,278,412 | 1979 | 157,629,107 | 1978 | 156,976,173 | 1977 | 156,337,302 | 1976 | 155,729,567 | 1975 | 155,077,198 | 1974 | 154,341,509 | 1973 | 153,529,652 | 1972 | 152,607,880 | 1971 | 151,632,340 | 1970 | 150,844,001 | 1969 | 150,053,913 | 1968 | 149,073,194 | 1967 | 148,110,080 | 1966 | 147,101,470 | 1965 | 145,959,307 | 1964 | 144,764,698 | 1963 | 143,593,594 | 1962 | 142,434,533 | 1961 | 141,288,898 | 1960 | 140,155,997 |
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