Table 8: The results of three different experiments.

Decision Rule Hit Ratio
The 1st experiment The 2nd experiment The 3rd experiment
DMR-I 5.83% 6.02% 7.34%
DMR-II* 7.18% 7.49% 9.81%

*In DMR-II, max_per is set as 5% in accordance with the maximum inspection capacity of most customs in China.