Exports £5,675,869 £32,367,000 Tonnage 520,704 3,535,451 Lighthouses, beacons, and lightships 7 373 Cost of | | Iowa, and Wisconsin | 1,835 | 7,338,290 | 5,762 | 3,999 |-------------+--------------+-------------+-------- Totals and averages | 10,289 | 66,653,907 .