54% (2003)

45% (2002)

43% (2001)

45% (2003)

56% (2003)

51% (2004)

35% (2002)

42% (2003)

59% (1999)

40% (2004)

40% (2001)

43% (2002)

50% (2002)

57% (2000)

28% (2001)

67% (2005)

44% (2005)

37% (2000)

55% (2005)

56% (2004)