75% (1996)

64% (2000)

57% (2016)

59% (2001)

65% (1997)

71% (1996)

70% (2007)

75% (2005)

72% (2014)

76% (1994)

60% (2000)

60% (2003)

55% (2006)

65% (2011)

49% (2013)

67% (2007)

59% (2001)

69% (2007)

53% (2008)

64% (2003)