china.csv cliff0	0	0.0668073136428
china.csv cliff1	10	0.0775444264943
china.csv cliff2	20	0.102270230685
china.csv cliff3	30	0.13654946852
china.csv cliff4	40	0.163659793814
china.csv cliff5	50	0.20325203252
china.csv cliff6	60	0.336405529954
china.csv cliff7	70	0.525132743363
china.csv cliff8	80	0.665935235056