66% (1993)

67% (1996)

71% (2010)

50% (2008)

40% (1995)

56% (2001)

71% (2005)

76% (2008)

92% (2009)

0% (2004)

0% (2001)

53% (2007)

0% (2002)

0% (2005)

62% (2009)

85% (2008)

72% (2012)

68% (2010)

60% (1997)

78% (2004)