china.csv cliff0	0	0.0776722279875
china.csv cliff1	10	0.0804077010193
china.csv cliff2	20	0.0853658536585
china.csv cliff3	30	0.0962406015038
china.csv cliff4	40	0.110787172012
china.csv cliff5	50	0.127100840336
china.csv cliff6	60	0.155042649272
china.csv cliff7	70	0.197055492639
china.csv cliff8	80	0.37579181647