73% (2020)

66% (1986)

72% (2003)

65% (2006)

65% (2017)

61% (2001)

68% (1991)

74% (1992)

62% (2015)

54% (2016)

56% (2013)

64% (2018)

61% (2017)

68% (2005)

73% (2000)

74% (2006)

47% (2014)

56% (1987)

56% (1985)

45% (1993)