| Trading Agents Group | N | Mean | Std. Deviation | 95% Confidence Interval for Mean | Min | Max | |
| Lower Bound | Upper Bound | ||||||
| Traders | 49 | 3.7143 | 0.86603 | 3.4655 | 3.9630 | 2.00 | 5.00 |
| Transporters | 30 | 4.2333 | 0.62606 | 3.9996 | 4.4671 | 3.00 | 5.00 |
| Freight Forwarders | 30 | 4.0000 | 0.74278 | 3.7226 | 4.2774 | 2.00 | 5.00 |
| Clearing Agents | 30 | 3.7667 | 0.93526 | 3.4174 | 4.1159 | 2.00 | 5.00 |
| Total | 139 | 3.8993 | 0.82791 | 3.7604 | 4.0381 | 2.00 | 5.00 |