56% (1998)

52% (2004)

52% (2009)

40% (2004)

47% (1998)

55% (2007)

35% (1999)

39% (2002)

10% (2004)

60% (1998)

58% (2005)

40% (2011)

47% (2005)

64% (2006)

53% (2004)

63% (2000)

57% (2008)

43% (2004)

40% (2004)

61% (2006)