58% (2016)

69% (2010)

64% (2005)

60% (2008)

82% (1998)

55% (2009)

72% (2015)

54% (2012)

64% (2011)

68% (2007)

66% (2007)

72% (2008)

65% (2010)

65% (2003)

72% (2011)

45% (2007)

65% (2016)

74% (2009)

70% (1996)

52% (1997)