| Variable | Obs | Mean | Std. Dev. | Min | Max |
| Opium | 61 | 40,598.59 | 27,060.71 | 1000 | 83,000 |
| Tea | 61 | 154,000,000 | 89,700,000 | 22,600,000 | 296,000,000 |
| Silk | 61 | 4,131,209 | 3,440,713 | 8419 | 10,400,000 |
| Silver Inflow | 61 | 116.2072 | 446.4134 | −945 | 942 |
| Silver-Copper Ratio | 61 | 1485.317 | 326.7109 | 919.9 | 2355 |
| Rice Price | 61 | 1.863181 | 0.5611559 | 0.975 | 3.286 |