| 商务 | 休闲 | |||
| EU | non-EU | EU | non-EU | |
| Feidstromand Thune-Larsen (1989) | 0.69 (SR),1.63 (LR) | 0.69 (SR),1.63 (LR) | ||
| Dargay-Hanlay (2001) | 0.31,0.32 | 0.31,0.33 | 0.33,0.58 | 0.33,0.59 |
| Abrahams (2000) | 0.6 | |||
| AEA (1989) | 0.58 (0.19~1.21) | 0.58 (0.19~1.21) | ||
| DETR (2000) | 0.5 | 0.5 | 1.3 | 1.3 |
| Jorfe-Calderon (1997) | 0.72 | 0.96 | 0.72 | 0.96 |
| CAA (2005) | 0.7 | 0.7 | 0.7 | 0.7 |