54% (2005)

56% (2006)

66% (2005)

60% (2005)

63% (1997)

56% (2011)

66% (2006)

63% (2006)

60% (2005)

56% (1997)

62% (2006)

61% (1997)

66% (1998)

51% (1995)

57% (2013)

64% (2003)

66% (2005)

50% (2013)

68% (2013)

62% (1998)