85% (2008)

66% (1993)

66% (1996)

71% (2010)

40% (1995)

56% (2001)

50% (2008)

76% (2008)

53% (2007)

78% (2003)

92% (2009)

71% (2005)

62% (2009)

69% (2010)

60% (1997)

78% (2004)

60% (2005)

56% (2015)

71% (2012)

70% (2011)