Expedition Size by Decade
Average and maximum party sizes per decade, with hired-staff ratio and commercial-route count.
| Decade | Expeditions | Avg Members | Max Members | Avg Hired | % Hired | Commercial |
|---|---|---|---|---|---|---|
| 1900s | 4 | 2.3 | 5 | 1.0 | 20.0% | 0 |
| 1910s | 3 | 1.0 | 1 | 0.0 | 0.0% | 0 |
| 1920s | 10 | 5.1 | 13 | 11.9 | 137.8% | 0 |
| 1930s | 33 | 4.6 | 16 | 8.3 | 147.6% | 0 |
| 1940s | 13 | 4.1 | 6 | 2.0 | 52.6% | 0 |
| 1950s | 169 | 5.1 | 40 | 4.5 | 79.3% | 14 |
| 1960s | 146 | 6.6 | 29 | 6.5 | 85.1% | 8 |
| 1970s | 351 | 10.0 | 65 | 6.2 | 50.5% | 34 |
| 1980s | 1175 | 8.5 | 99 | 2.6 | 31.4% | 160 |
| 1990s | 1692 | 7.4 | 50 | 2.3 | 37.2% | 785 |
| 2000s | 3211 | 5.3 | 76 | 2.2 | 48.7% | 2000 |
| 2010s | 3694 | 4.8 | 72 | 2.9 | 61.5% | 2205 |
| 2020s | 1126 | 8.6 | 37 | 7.9 | 87.7% | 556 |