50% (2003)

0% (1991)

64% (1995)

64% (2005)

57% (1993)

58% (1995)

60% (2009)

50% (1990)

68% (2014)

63% (2014)

62% (2000)

57% (2004)

49% (2009)

73% (2001)

72% (2014)

80% (2007)

69% (2000)

57% (2010)

55% (2010)

45% (2011)