61% (1989)

66% (1988)

66% (1986)

69% (2005)

59% (2001)

42% (1996)

55% (1994)

62% (2004)

53% (1998)

58% (1991)

71% (2016)

65% (1999)

44% (2001)

64% (1987)

57% (1993)

67% (1998)

64% (1999)

62% (2008)

57% (1997)

55% (2001)