60% (2008)

66% (1993)

65% (1988)

67% (1992)

59% (2010)

40% (1991)

60% (2004)

68% (1992)

72% (1993)

59% (1997)

63% (2016)

64% (1998)

55% (2001)

68% (2004)

64% (1992)

63% (1995)

48% (1983)

67% (2010)

61% (2008)

65% (1996)