0% (2003)

53% (1993)

48% (2007)

0% (2003)

77% (2000)

52% (2002)

10% (1993)

0% (2003)

61% (2000)

60% (1992)

0% (2004)

64% (2004)

50% (2007)

0% (1994)

64% (2004)

0% (2006)

0% (1989)