71% (2014)

66% (1987)

65% (1997)

73% (2012)

57% (2008)

58% (2020)

62% (2002)

59% (1988)

70% (1985)

67% (1992)

63% (2021)

62% (2001)

72% (2007)

56% (2018)

65% (2021)

56% (2015)

69% (1993)

71% (1988)

75% (1988)

61% (2009)