68% (2011)

64% (1996)

64% (2002)

46% (2000)

57% (1997)

60% (2000)

65% (2003)

55% (2013)

35% (1997)

43% (1996)

67% (1995)

56% (2011)

78% (2005)

48% (2002)

60% (2003)

43% (2003)

60% (2015)

52% (1997)

72% (2015)

67% (1996)