64% (2016)

53% (1991)

66% (2004)

57% (2011)

62% (2005)

68% (2017)

76% (2001)

55% (1997)

67% (2007)

71% (2000)

70% (2006)

60% (2002)

73% (1998)

64% (2000)

72% (2005)

54% (1992)

63% (2016)

44% (2000)

67% (2000)

72% (2003)