75% (2004)

76% (2006)

73% (2008)

80% (1993)

74% (2009)

72% (2008)

60% (2010)

71% (1994)

57% (2001)

72% (1994)

75% (1999)

85% (1982)

76% (2009)

42% (2009)

69% (1991)

61% (2000)

0% (1991)

100% (2015)

85% (1999)

0% (1989)