100% (2012)

0% (2010)

44% (2001)

81% (1967)

46% (2005)

61% (1970)

35% (1995)

27% (1999)

72% (1994)

78% (1996)

40% (1961)

35% (1996)

90% (1990)

57% (2008)

10% (2000)

81% (2015)

50% (1988)

73% (2005)

41% (2009)

53% (2015)