52% (2017)

58% (2020)

55% (2005)

47% (2001)

30% (1997)

80% (1984)

64% (2008)

44% (1990)

80% (1976)

30% (2002)

64% (2016)

77% (2015)

0% (1998)

66% (2011)

50% (2020)

71% (2014)

64% (1976)

50% (1971)

67% (2008)

37% (1998)