61% (2000)

56% (1986)

65% (1986)

40% (1987)

56% (1986)

60% (1989)

58% (2012)

57% (2003)

62% (1997)

61% (1999)

62% (2005)

40% (1986)

59% (2008)

57% (1986)

54% (1998)

71% (2000)

60% (2000)

70% (1995)

64% (2005)

66% (2002)