64% (2017)

62% (1999)

74% (1993)

59% (1995)

43% (2010)

78% (1997)

67% (2011)

71% (1998)

57% (2002)

63% (1992)

65% (2001)

50% (2005)

68% (1998)

61% (2006)

67% (1993)

53% (2011)

61% (2000)

53% (2008)

77% (1991)

71% (1998)