66% (2017)

70% (2005)

70% (2007)

80% (2001)

65% (2016)

50% (2016)

64% (2011)

59% (2012)

71% (2002)

65% (2009)

61% (1998)

62% (2007)

64% (2011)

69% (2017)

58% (2003)

70% (2009)

63% (1993)

52% (2012)

66% (2017)

45% (2010)