68% (2010)

63% (2002)

72% (1998)

50% (2009)

69% (2000)

61% (2004)

48% (1998)

33% (1996)

69% (2012)

55% (2014)

66% (2006)

85% (2013)

57% (2002)

0% (1997)

42% (2015)

57% (1994)

68% (2003)

0% (2004)

59% (1997)

63% (1994)