0% (1998)

60% (1990)

0% (2003)

70% (2007)

77% (2005)

64% (2006)

0% (1995)

68% (2002)

80% (1993)

0% (1991)

68% (2001)

85% (1996)

0% (2006)

40% (1997)

0% (2000)

72% (2000)

76% (1995)

68% (2008)

50% (1986)

58% (2006)