67% (2000)

58% (1994)

59% (2000)

56% (2006)

56% (2003)

68% (1993)

52% (1991)

72% (1996)

66% (1993)

70% (2013)

71% (2010)

71% (1993)

60% (1994)

67% (1994)

60% (2016)

57% (2010)

50% (1999)

100% (2004)

80% (2004)

0% (1970)