我用spss分析下面两列数据，进行频数分析，但是得不到拟合的正态曲线（如图），请达人帮忙，谢谢

0.033699	0
0.01972	0.693147
0.067149	1.098612
0.116575	1.386294
0.144783	1.609438
0.161508	1.791759
0.12007	1.94591
0.092611	2.079442
0.065152	2.197225
0.045432	2.302585
0.031952	2.397895
0.027209	2.484907
0.017474	2.564949
0.009735	2.639057
0.008737	2.70805
0.005492	2.772589
0.00699	2.833213
0.007738	2.890372
0.004244	2.944439
0.003495	2.995732
0.002496	3.044522
7.49E-04	3.091042
0.001248	3.135494
0.001248	3.178054
9.99E-04	3.218876
9.99E-04	3.258097
9.99E-04	3.295837
7.49E-04	3.332205
2.50E-04	3.367296
4.99E-04	3.401197