1 of 358 tons 1 of 89 tons
1 of 272 tons 1 of 63 tons
1 of 271 tons 3 between 50 and 60 tons
1 of 187 tons 4 between 40 and 50 tons
1 of 170 tons 6 between 30 and 40 tons
1 of 161 tons 14 between 20 and 30 tons
1 of 93 tons and 21 between 10 and 20 tons