70% (2010)

50% (2007)

45% (2004)

60% (2005)

75% (2009)

55% (2008)

42% (2002)

50% (2005)

45% (2013)

0% (2007)

60% (2003)

50% (2004)

30% (2003)

45% (2003)

38% (2009)

50% (2011)

0% (1990)

52% (2003)

60% (2011)

60% (2003)