{"n":10,"per_kb":0.26276}
{"n":20,"per_kb":0.68317}
{"n":50,"per_kb":1.52399}
{"n":100,"per_kb":2.73267}
{"n":200,"per_kb":4.30921}
{"n":500,"per_kb":7.61995}
{"n":1000,"per_kb":12.19192}
{"n":2000,"per_kb":19.39146}
{"n":3070,"per_kb":25.22466}
{"n":5000,"per_kb":33.42267}
{"n":5040,"per_kb":33.79053}
{"n":8128,"per_kb":45.19418}