53% (2016)

45% (2002)

68% (2011)

68% (2021)

72% (2016)

74% (2001)

55% (1986)

60% (2015)

54% (1992)

62% (2016)

63% (2007)

66% (2019)

78% (1968)

64% (2008)

57% (2011)

53% (1993)

55% (2011)

50% (2015)

43% (1970)

59% (2014)