71% (1995)

53% (2004)

78% (2009)

72% (2020)

67% (1999)

71% (2016)

68% (2000)

68% (1981)

0% (1994)

68% (1999)

69% (1988)

67% (2009)

62% (1980)

66% (1997)

52% (2020)

57% (1996)

66% (1994)

63% (2004)

59% (2002)

60% (1988)