54% (2003)

59% (1999)

43% (2001)

45% (2002)

56% (2003)

45% (2003)

41% (2003)

51% (2004)

44% (2005)

40% (2004)

50% (2002)

35% (2002)

43% (2002)

57% (2000)

60% (2004)

67% (2005)

40% (2001)

44% (2000)

37% (2000)

55% (2005)