57% (1996)

78% (1999)

57% (1986)

55% (1992)

90% (2004)

55% (1957)

60% (1961)

63% (1994)

0% (1960)

61% (1993)

70% (1996)

85% (1972)

42% (1993)

63% (2014)

66% (1986)

50% (1998)

54% (1995)

39% (1986)

55% (2000)

70% (1989)