54% (1989)

67% (2005)

47% (2015)

85% (1970)

88% (1996)

38% (2008)

60% (1998)

70% (1994)

80% (2012)

53% (1992)

67% (2005)

20% (2000)

0% (2004)

63% (2001)

48% (1996)

78% (1998)

64% (1991)

77% (2012)

52% (2004)

70% (2015)