50% (2009)

64% (2008)

57% (2010)

44% (2008)

41% (2008)

50% (2009)

44% (2004)

39% (2008)

54% (2008)

0% (2006)

47% (2005)

46% (2008)

53% (2009)

44% (2007)

35% (2004)

46% (2007)

30% (2006)

51% (2006)

35% (2005)

40% (2006)