66% (1994)

76% (2015)

70% (2018)

60% (1999)

56% (1968)

50% (2018)

0% (2009)

80% (1999)

30% (1991)

70% (2007)

0% (1970)

92% (2009)

65% (1979)

57% (2012)

73% (2016)

70% (2011)

60% (1993)

60% (1994)

20% (1993)

50% (1969)