70% (2008)

100% (2009)

55% (1966)

75% (2010)

63% (2011)

64% (2004)

60% (1965)

50% (1969)

10% (1972)

60% (1981)

0% (2013)

50% (1978)

82% (1997)

77% (2015)

50% (1986)

0% (1995)

60% (2001)

50% (1994)

76% (2014)

72% (2020)