64% (1997)

42% (2013)

73% (2005)

87% (2013)

35% (1989)

65% (2013)

33% (2009)

10% (1988)

50% (1978)

0% (1970)

90% (2005)

65% (2011)

0% (2021)

83% (2014)

80% (2015)

83% (1998)

50% (1974)

0% (1967)

80% (2014)

0% (2016)