what is the difference in tonnage between the heaviest and the lightest ships?
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col : date | name of ship | nationality | tonnage | fate row 1 : 5 june 1940 | ss stancor | united kingdom | 798 | sunk at 58°48′n 08°45′w row 2 : 7 june 1940 | ss frances massey | united kingdom | 4,212 | sunk at 55°33′n 08°26′w / row 3 : 7 june 1940 | ss eros | united kingdom | 5,888 | damaged at 55°33′n 08°26′w / row 4 : 11 june 1940 | ss violando n goulandris | greece | 2,375 | sunk at 44°04′n 12°30′w / row 5 : 19 june 1940 | mv tudor | norway | 6,607 | sunk at 45°10′n 11°50′w / row 6 : 19 june 1940 | ss baron loudoun | united kingdom | 3,164 | sunk at 45°00′n 11°21′w / row 7 : 19 june 1940 | ss british monarch | united kingdom | 5,661 | sunk at 45°00′n 11°21′w / row 8 : 20 june 1940 | mv moerdrecht | netherlands | 7,493 | sunk at 43°34′n 14°20′w / row 9 : 16 august 1940 | ss hedrun | sweden | 2,325 | sunk at 57°10′n 16°37′w row 10 : 19 august 1940 | ss ville de gand | belgium | 7,590 | sunk at 55°28′n 15°10′w / row 11 : 24 august 1940 | ss la brea | united kingdom | 6,666 | sunk at 57°24′n 11°21′w row 12 : 25 august 1940 | ss empire merlin | united kingdom | 5,763 | sunk at 58°30′n 10°15′w row 13 : 25 august 1940 | mv athelcrest | united kingdom | 6,825 | sunk at 58°24′n 11°25′w
what is the difference in tonnage between the heaviest and the lightest ships?
Date Name of ship Nationality Tonnage Fate
5 June 1940 SS Stancor United Kingdom 798 Sunk at 58°48′N 08°45′W﻿ / ﻿58.800°N 8.750°W
7 June 1940 SS Frances Massey United Kingdom 4,212 Sunk at 55°33′N 08°26′W﻿ / ﻿55.550°N 8.433°W
7 June 1940 SS Eros United Kingdom 5,888 Damaged at 55°33′N 08°26′W﻿ / ﻿55.550°N 8.433°W
11 June 1940 SS Violando N Goulandris Greece 2,375 Sunk at 44°04′N 12°30′W﻿ / ﻿44.067°N 12.500°W
19 June 1940 MV Tudor Norway 6,607 Sunk at 45°10′N 11°50′W﻿ / ﻿45.167°N 11.833°W
19 June 1940 SS Baron Loudoun United Kingdom 3,164 Sunk at 45°00′N 11°21′W﻿ / ﻿45.000°N 11.350°W
19 June 1940 SS British Monarch United Kingdom 5,661 Sunk at 45°00′N 11°21′W﻿ / ﻿45.000°N 11.350°W
20 June 1940 MV Moerdrecht Netherlands 7,493 Sunk at 43°34′N 14°20′W﻿ / ﻿43.567°N 14.333°W
16 August 1940 SS Hedrun Sweden 2,325 Sunk at 57°10′N 16°37′W﻿ / ﻿57.167°N 16.617°W
19 August 1940 SS Ville de Gand Belgium 7,590 Sunk at 55°28′N 15°10′W﻿ / ﻿55.467°N 15.167°W
24 August 1940 SS La Brea United Kingdom 6,666 Sunk at 57°24′N 11°21′W﻿ / ﻿57.400°N 11.350°W
25 August 1940 SS Empire Merlin United Kingdom 5,763 Sunk at 58°30′N 10°15′W﻿ / ﻿58.500°N 10.250°W
25 August 1940 MV Athelcrest United Kingdom 6,825 Sunk at 58°24′N 11°25′W﻿ / ﻿58.400°N 11.417°W
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