︽ ︾
13.38 2003 2005 () 60% 50% ( ) ︾ 2003 ︽ ︽︾ 300 5000 300 ( ) 2007 2000 2003 1997 8000 1 3 ( )︾ 1992 ︽ 1991 6 ︾ 1986 ︽ 20 ︽︾ ︽︾
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