71% (2007)

75% (2018)

66% (2021)

72% (2011)

76% (2011)

73% (2015)

70% (2013)

62% (2011)

62% (2013)

79% (2016)

62% (2010)

72% (2013)

68% (2012)

50% (2014)

52% (2010)

69% (1992)

58% (2011)

54% (2010)

53% (2016)

58% (2016)