67% (1993)

72% (1995)

71% (1993)

73% (2019)

70% (1994)

67% (2008)

69% (1996)

66% (1994)

57% (2001)

71% (1997)

60% (1997)

71% (1997)

73% (1996)

50% (1991)

44% (2015)

68% (1996)

67% (1994)

65% (1995)

63% (2006)

73% (1997)