I think it's worse than that. Based on quantization of the percentage field [0], I think the source data has to be about 925 requests and is including all brows

I think it's worse than that. Based on quantization of the percentage field [0], I think the source data has to be about 925 requests and is including all browsers seen at least twice. [0] I.e. look at how many browsers are bunched at 0.22, 0.32, 0.43, 0.54, 0.65 with no entries between.