48% (2006)

43% (2011)

50% (2006)

0% (2007)

47% (2009)

55% (2007)

60% (2007)

100% (2009)

35% (2009)

46% (2010)

60% (2008)

50% (2009)

53% (2006)

28% (2006)

57% (2008)

40% (2011)

45% (2011)

51% (2008)

40% (2007)

60% (2010)