50% (2001)

0% (1994)

77% (1998)

0% (2000)

85% (2004)

0% (1981)

55% (2002)

20% (1997)

80% (2007)

0% (2004)

100% (1993)

68% (2004)

0% (1999)

73% (2000)

0% (2013)

100% (1989)

80% (2004)

0% (2015)

10% (2007)

62% (1997)