50% (2009)

48% (2013)

60% (2005)

47% (2005)

63% (2003)

38% (2001)

67% (2006)

51% (2003)

49% (2004)

33% (2000)

51% (2003)

34% (1999)

41% (2004)

67% (2000)

50% (2004)

35% (2003)

44% (2002)

33% (2004)

0% (2000)

30% (2005)