bbr xR쑤 1978 6,533 29,531 1979 8,924 32,239 1980 9,067 30,216 1981 6,823 28,844 1982 7,752 27,339 1983 8,702 30,733 1984 6,451 27,220 1985 6,904 25,533 1986 6,790 27,457 1987 6,676 29,380 1988 5,292 22,098 1989 6,140 19,228 1990 5,336 24,394 1991 5,495 22,982 1992 6,839 20,140 1993 6,454 20,361 1994 6,343 18,504 1995 5,669 17,336 1996 5,665 17,515 1997 4,455 15,286 1998 4,434 16,340 1999 5,478 16,190 2000 4,101 14,426 2001 3,774 13,520 2002 3,949 13,520 2003 3,673 9,205 2004 3,145 8,446 2005 3,495 9,069 2006 3,438 5,044 2007 3,572 5,825 2008 4,027 6,014 2009 3,476 6,232 2010 3,808 5,000 2011 3,252 6,104 2012 3,188 5,386 2013 3,297 4,424 2014 3,113 4,806 2015 4,432 5,455 2016 4,431 5,160