60% (1997)

69% (1996)

70% (1997)

69% (1994)

67% (2008)

63% (2006)

72% (1995)

66% (1993)

66% (1994)

57% (2001)

20% (1990)

72% (1996)

71% (1997)

50% (1991)

68% (1996)

68% (1994)

65% (1995)

76% (2019)

71% (1993)

73% (1997)