61% (1970)

44% (2001)

60% (2007)

0% (1980)

76% (2015)

72% (1956)

46% (2005)

85% (1993)

0% (2013)

0% (2007)

68% (1971)

72% (1994)

0% (2004)

35% (1996)

90% (1990)

0% (2007)

0% (1976)

81% (2015)

0% (1999)

60% (2009)