47% (2001)

27% (2001)

42% (2002)

36% (2000)

47% (1999)

56% (2012)

57% (1999)

48% (1999)

45% (2002)

42% (2003)

48% (2004)

37% (1998)

46% (2005)

44% (2005)

42% (2001)

35% (2003)

32% (1997)

50% (2004)

52% (2003)

38% (2002)