SOURCE,FLUORIDE 1,0.84 1,0.83 1,0.75 1,0.74 1,0.78 1,0.90 1,0.72 1,0.74 1,0.82 1,0.70 1,0.68 1,0.73 1,0.82 1,0.70 1,0.77 1,0.77 1,0.72 1,0.78 2,0.68 2,0.77 2,0.75 2,0.60 2,0.70 2,0.70 2,0.72 2,0.72 2,0.74 2,0.78 2,0.68 2,0.73 2,0.74 2,0.65 2,0.70 2,0.67 2,0.68 2,0.72 2,0.73 3,0.75 3,0.75 3,0.72 3,0.73 3,0.73 3,0.66 3,0.76 3,0.76 3,0.72 3,0.78 3,0.74 3,0.74 3,0.80 3,0.81 3,0.86 3,0.73 3,0.72 3,0.68 3,0.80 3,0.78 3,0.82