53% (2006)

51% (2008)

45% (2011)

46% (2010)

48% (2006)

28% (2006)

43% (2011)

50% (2009)

75% (2007)

47% (2007)

57% (2008)

47% (2009)

40% (2011)

45% (2010)

55% (2007)

40% (2007)

35% (2009)

100% (2009)

50% (2006)

60% (2010)