59% (1998)

71% (2012)

55% (2009)

74% (2000)

58% (2003)

30% (2012)

60% (2007)

60% (2005)

64% (2005)

50% (2004)

71% (2000)

43% (1992)

57% (2008)

73% (1995)

66% (2001)

62% (1993)

61% (2003)

72% (2000)

57% (2006)

53% (1995)