71% (1995)

52% (2004)

79% (2009)

71% (2016)

62% (1980)

60% (1988)

66% (2009)

72% (2020)

68% (1981)

55% (1999)

66% (1997)

67% (1999)

67% (1999)

67% (2003)

68% (2000)

0% (1994)

68% (1988)

0% (1994)

59% (2002)

52% (2020)