52% (1999)

0% (2009)

35% (1995)

60% (1987)

55% (1983)

0% (2002)

0% (2015)

57% (1999)

55% (1993)

0% (2001)

68% (1989)

54% (2013)

58% (2006)

67% (2008)

57% (2004)

55% (2004)

0% (1999)

40% (1997)

40% (1982)

0% (2006)