77% (1995)

76% (1995)

72% (1988)

63% (2003)

72% (1990)

67% (1986)

0% (1994)

73% (1996)

70% (1999)

51% (1989)

57% (1999)

73% (1986)

64% (2009)

43% (1989)

64% (1999)

78% (1985)

70% (1987)

68% (1999)

55% (2007)

48% (1986)