92% (1978)

100% (2007)

85% (2009)

80% (1970)

57% (1989)

50% (2012)

78% (2010)

70% (1997)

0% (1978)

0% (1996)

0% (1977)

70% (2011)

90% (2006)

80% (2020)

100% (1981)

0% (2011)

0% (2011)

0% (2015)

55% (2002)

80% (2007)