61% (2015)

61% (2015)

71% (2000)

75% (1999)

70% (2004)

64% (2010)

72% (2003)

70% (2010)

50% (2003)

77% (1997)

77% (2006)

74% (2001)

60% (2005)

76% (2002)

68% (2004)

59% (2009)

66% (1995)

42% (2005)

49% (2003)

67% (2006)