76% (2017)

80% (1996)

72% (2014)

63% (2012)

70% (2007)

63% (2006)

50% (2008)

60% (2019)

60% (2010)

67% (2012)

82% (1992)

66% (2010)

81% (2004)

80% (2004)

69% (2004)

90% (1970)

56% (2003)

69% (2020)

71% (2016)

68% (2013)