1980/12/17 21.2%
1982/*9/22 21.8%
1984/*3/14 20.3%
1985/*7/*3 14.7%
1991/10/*4 13.7%
1994/*9/*2 22.4%
1996/*1/*2 12.1%
1999/*2/26 23.4%
2001/*6/15 21.2%
2004/*3/26 15.8%