66% (1998)

66% (2002)

64% (2001)

51% (2004)

56% (2004)

47% (2002)

59% (2001)

56% (2000)

63% (1998)

50% (2000)

61% (2000)

60% (1998)

46% (2005)

63% (2003)

61% (2000)