72% (2009)

63% (2008)

72% (1987)

65% (1993)

67% (2015)

74% (2018)

66% (2004)

62% (1993)

68% (2017)

81% (2019)

58% (2020)

68% (2020)

64% (2009)

60% (2013)

74% (2010)

62% (2009)

75% (2009)

38% (2007)

61% (2001)

80% (2016)