78% (2010)

100% (2007)

80% (2020)

70% (1997)

80% (2007)

0% (1970)

0% (2011)

0% (1996)

0% (2014)

65% (2004)

80% (1970)

92% (1978)

90% (2006)

0% (1977)

80% (2020)

45% (2012)

75% (1970)

90% (2009)

71% (2000)

0% (1978)