51% (2015)

0% (1997)

75% (2001)

20% (1989)

74% (1998)

74% (2012)

77% (1998)

73% (1997)

10% (2005)

76% (2000)

67% (1993)

70% (2000)

78% (2017)

80% (1997)

68% (1992)

30% (2006)

72% (2013)

72% (2003)

72% (1998)

85% (1992)