48% (1975)

65% (2005)

69% (2016)

67% (2004)

68% (2003)

0% (1996)

50% (1981)

60% (2006)

74% (2020)

55% (1970)

71% (2020)

45% (1972)

73% (2020)

30% (2008)

55% (2008)

0% (1999)

73% (1963)

57% (2017)

50% (2020)

61% (2017)