50% (2002)

0% (1976)

0% (1991)

78% (2006)

93% (2009)

0% (1991)

75% (2002)

0% (2004)

55% (2004)

0% (2004)

0% (1991)

0% (1992)

0% (1993)

100% (1987)

0% (2000)

0% (1973)

0% (1975)

0% (1996)

56% (2000)

0% (2012)