| Reason for shopping | Because I can see and purchase various products myself | 225 (23) |
| Because the price is cheaper than other duty-free shops | 225 (23) |
| Because I can receive it immediately after purchase | 195 (20) |
| Because there is still time before boarding the plane | 156 (16) |
| Because of confidence in purchasing | 43 (4) |
| Because I have a coupon / discount | 39 (4) |
| Because the store is famous or had a brand name | 39 (4) |
| Because the store has a variety of brands/products | 34 (3) |
| Because other Internet and downtown duty-free shops are out of stock | 21 (1) |