| The store don’t have the product/brand I want (need) | 24.0 | 21.4 |
| For rest | 16.9 | 17.7 |
| Because the duty-free price is not cheaper than I thought | 14.9 | 7.7 |
| Due to lack of time to shop | 10.9 | 19.0 |
| Because It is difficult to compare products and prices | 10.0 | 6.5 |
| Because there are no price benefits (accumulation points, discounts, etc.) compared to other duty-free shops | 8.2 | 13.3 |
| The store don’t have the product I want | 3.3 | 0.3 |
| Because the store environment is too congested. | 3.1 | 1.8 |
| To purchase at the in-flight duty-free shop | 2.4 | 3.2 |
| Because the product composition (set and single item sales) is not diverse | 2.3 | 2.0 |
| Because online purchase is more convenient | 1.1 | - |
| Long waiting time for payment | 0.9 | 1.4 |
| It is cumbersome to carry | 0.5 | 0.2 |
| Exceeding the duty-free limit | 0.5 | 1.8 |
| To purchase upon arrival next time | 0.5 | - |
| Because the price is too high | 0.3 | 0.1 |
| I am not interested | 0.1 | 0.3 |
| Because of the transfer | 0.1 | - |