46% (1986)

71% (2013)

60% (2002)

64% (1996)

72% (2011)

50% (1991)

63% (1988)

64% (2013)

71% (1985)

67% (1989)

43% (1986)

63% (2002)

65% (2000)

62% (1986)

55% (2003)

75% (1987)

54% (1987)

71% (1988)

61% (2012)

70% (1997)