v3 | Freq. Percent Cum.
----------------------------------------+-----------------------------------
01 | 293 0.47 0.47
01,02 | 16 0.03 0.49
01,02,03 | 2 0.00 0.49
01,02,04 | 1 0.00 0.50
01,02,04,05 | 2 0.00 0.50
01,02,05 | 3 0.00 0.50
01,02,06,16 | 2 0.00 0.51
01,02,09 | 1 0.00 0.51
01,02,09,16 | 1 0.00 0.51
01,02,11,12,16 | 1 0.00 0.51
01,02,12 | 2 0.00 0.52
01,02,12,14 | 1 0.00 0.52
01,02,16 | 2 0.00 0.52
01,02,17 | 1 0.00 0.52
01,04 | 20 0.03 0.55
01,04,05 | 12 0.02 0.57
01,04,16 | 1 0.00 0.57
01,05 | 62 0.10 0.67
01,05,09 | 1 0.00 0.67
01,05,11 | 1 0.00 0.68
01,05,15 | 1 0.00 0.68
01,05,16 | 1 0.00 0.68
01,05,17 | 1 0.00 0.68
01,06 | 1 0.00 0.68
01,08 | 2 0.00 0.69
01,08,09,16 | 1 0.00 0.69
01,08,17 | 1 0.00 0.69
01,09 | 2 0.00 0.69
01,09,14 | 1 0.00 0.69
01,10 | 1 0.00 0.69
01,11 | 12 0.02 0.71
01,11,12 | 1 0.00 0.72
01,11,14 | 1 0.00 0.72
01,11,14,16 | 1 0.00 0.72
01,12 | 1 0.00 0.72
01,13 | 1 0.00 0.72
01,14 | 2 0.00 0.73
01,15 | 6 0.01 0.73
01,16 | 17 0.03 0.76
01,17 | 22 0.03 0.80
02 | 938 1.49 2.29
02,03 | 9 0.01 2.30
录入的问卷中谋道选择题如上显示。有17个选项的多选题,因为超过9个选项,所以用strpos拆分的话,前面7项都会被高估,不知道还能用其他什么方法?