67% (2011)

60% (2009)

51% (2011)

55% (2000)

64% (1993)

46% (2013)

53% (2003)

0% (2005)

40% (2000)

90% (2003)

25% (1999)

38% (1993)

10% (1995)

0% (1998)

70% (2000)

0% (2010)

65% (2008)

0% (1995)

70% (2009)

60% (1993)