58% (2010)

55% (2015)

68% (2011)

75% (1997)

47% (2009)

64% (2005)

62% (2015)

39% (2006)

68% (2015)

57% (1997)

61% (1997)

60% (2015)

48% (2002)

65% (2003)

53% (2010)

54% (2009)

39% (2005)

58% (1997)

59% (2015)

73% (2015)