76% (2006)

80% (1995)

72% (2002)

62% (2009)

65% (2000)

71% (1994)

66% (2006)

60% (2005)

59% (2011)

49% (1997)

61% (1997)

65% (1992)

53% (2015)

64% (2007)

53% (2004)

59% (2000)

62% (2000)

54% (2000)

61% (2008)

66% (1993)