64% (1996)

60% (2004)

50% (1999)

40% (2001)

0% (2010)

68% (1999)

71% (2010)

67% (2008)

72% (2010)

76% (2017)

55% (1989)

50% (2006)

0% (2012)

70% (2010)

83% (2008)

0% (2012)

80% (2014)

0% (2015)

68% (1998)

57% (1997)