42% (2002)

48% (2002)

50% (1999)

48% (2000)

70% (1999)

52% (2002)

39% (2000)

70% (2001)

54% (2001)

70% (2002)

50% (2005)

58% (2001)

49% (2001)

61% (2007)

66% (1999)

60% (2002)

69% (2001)

64% (2002)

43% (2006)

51% (1999)