71% (2008)

58% (2018)

57% (2017)

67% (1976)

65% (2021)

63% (2017)

61% (2017)

63% (1972)

62% (2019)

50% (2016)

61% (2009)

76% (2010)

55% (1992)

61% (2015)

64% (2018)

58% (2011)

69% (1970)

0% (1970)

69% (1997)

51% (2001)