90% (2011)

81% (1967)

46% (2005)

61% (1970)

100% (2012)

78% (1996)

35% (1995)

27% (1999)

60% (2007)

44% (2001)

77% (1993)

0% (2004)

0% (2010)

72% (1994)

57% (2008)

40% (1961)

35% (1996)

90% (1990)

0% (2013)

81% (2015)