|   重现期P (a)  |       内涝节点个数(-)  |       溢流率(%)  |    ||
|   轻微积水  |       轻微内涝  |       严重内涝  |    ||
|   1  |       1  |       0  |       3  |       6.10  |    
|   2  |       0  |       5  |       3  |       12.12  |    
|   3  |       7  |       0  |       3  |       15.15  |    
|   5  |       10  |       1  |       3  |       21.21  |    
|   10  |       10  |       4  |       4  |       27.27  |