68% (2003)

0% (2004)

70% (2010)

55% (2002)

50% (2005)

40% (2009)

63% (2000)

0% (1998)

60% (2010)

59% (2006)

45% (2000)

69% (1998)

68% (2004)

62% (2003)

0% (2001)

62% (2012)

0% (1997)

77% (2004)

52% (2005)

0% (1998)