37% (2006)

48% (2007)

47% (2011)

61% (2010)

43% (2010)

20% (2010)

42% (2006)

0% (2001)

0% (2012)

48% (2008)

48% (2008)

70% (1993)

60% (2007)

0% (2007)

65% (2005)

70% (2012)

60% (2011)

48% (2004)

50% (2012)

0% (2009)