0% (1990)

60% (2012)

50% (2005)

75% (1996)

60% (2005)

0% (1980)

0% (1979)

50% (2000)

85% (2011)

0% (2003)

0% (1995)

70% (2004)

90% (1977)

0% (1994)

56% (2000)

80% (1992)

65% (1999)

70% (2010)

89% (2010)

0% (2013)