65% (1999)

0% (2000)

48% (2005)

30% (1991)

60% (1990)

70% (2006)

47% (2000)

46% (2005)

0% (1991)

75% (2009)

55% (2006)

85% (1993)

56% (2003)

69% (1997)

52% (2013)

100% (2009)

80% (1988)

0% (2001)

46% (2001)

50% (1998)