10% (2004)

60% (1998)

64% (2006)

56% (1998)

63% (2000)

52% (2009)

47% (1998)

52% (2004)

55% (2007)

40% (2004)

40% (2011)

43% (2004)

39% (2002)

53% (2004)

57% (2008)

47% (2005)

64% (2005)

58% (2005)

38% (1998)

40% (2004)