Year | Value | 2022 | 3,022,484 | 2021 | 2,906,827 | 2020 | 2,818,163 | 2019 | 2,734,416 | 2018 | 2,659,573 | 2017 | 2,597,993 | 2016 | 2,547,777 | 2015 | 2,501,021 | 2014 | 2,462,284 | 2013 | 2,423,623 | 2012 | 2,364,004 | 2011 | 2,271,603 | 2010 | 2,176,739 | 2009 | 2,079,140 | 2008 | 2,069,959 | 2007 | 2,094,368 | 2006 | 2,202,509 | 2005 | 2,427,998 | 2004 | 2,631,906 | 2003 | 2,749,100 | 2002 | 2,828,648 | 2001 | 2,836,516 | 2000 | 2,763,482 | 1999 | 2,654,808 | 1998 | 2,511,176 | 1997 | 2,362,832 | 1996 | 2,239,797 | 1995 | 2,141,626 | 1994 | 2,072,959 | 1993 | 2,062,741 | 1992 | 2,073,079 | 1991 | 2,042,824 | 1990 | 1,977,067 | 1989 | 1,875,331 | 1988 | 1,757,286 | 1987 | 1,673,560 | 1986 | 1,643,403 | 1985 | 1,636,690 | 1984 | 1,620,445 | 1983 | 1,546,459 | 1982 | 1,412,590 | 1981 | 1,259,477 | 1980 | 1,132,434 | 1979 | 1,112,129 | 1978 | 1,228,753 | 1977 | 1,416,476 | 1976 | 1,602,973 | 1975 | 1,752,663 | 1974 | 1,845,967 | 1973 | 1,892,911 | 1972 | 1,922,202 | 1971 | 1,953,260 | 1970 | 2,001,479 | 1969 | 2,043,871 | 1968 | 2,064,122 | 1967 | 2,085,539 | 1966 | 2,104,508 | 1965 | 2,097,376 | 1964 | 2,062,971 | 1963 | 2,016,158 | 1962 | 1,946,835 | 1961 | 1,859,804 | 1960 | 1,771,439 |
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