Dated Shipwreck Counts
Classic proxy for trade intensity, shipping volume, and the scale of Mediterranean exchange under Rome.
5.00wrecks
Trend YoY growth is -34.6%, slowing by 3 bps/year over the last 650Y. Latest: -37.5%, 2.9 pp below trend, a 0.3σ deviation.
Level
YoY %
y = −16.1% − 3 bps/yr · t
Deviation from trend