72% (1991)

65% (2002)

54% (2013)

0% (1970)

0% (2003)

0% (2001)

80% (1997)

47% (2012)

61% (1998)

42% (2015)

48% (1991)

0% (1992)

67% (1973)

40% (1945)

60% (1991)

0% (1954)

50% (1989)

67% (1984)

70% (1951)

63% (1996)