46% (2008)

67% (2011)

66% (1994)

55% (2002)

74% (2007)

48% (2007)

50% (2009)

37% (2008)

64% (2006)

45% (2008)

59% (2011)

52% (2008)

51% (2010)

51% (1993)

77% (2011)

47% (1994)

55% (1987)

50% (2004)

61% (2003)

51% (2012)