52% (1993)

46% (1997)

45% (1995)

33% (1994)

0% (2006)

54% (1991)

42% (1999)

65% (2003)

45% (2003)

50% (1996)

50% (1992)

60% (2002)

0% (2015)

36% (1997)

70% (2014)