Removal of gross polluters (above 179 dB threshold)Removal of gross polluters (above 179 dB threshold)Removal of gross polluters (above 179 dB threshold)Quieting of gross polluters (to 175.4 dB threshold)Quieting of gross polluters (to 175.4 dB threshold)Quieting of gross polluters (to 175.4 dB threshold)
Ship class Total # of ships # of ships % of fleet % of class # of ships % of fleet % of class
All classes 1,582 240 15.2 N/A 677 42.8 N/A
Bulk carrier 734 94 5.9 13 276 17.4 37.6
Container 207 90 5.6 43 184 11.6 88.9
Cargo 206 36 2.3 17 89 5.6 43.2
Vehicle carrier 111 5 0.3 5 66 4.2 59.5
Tanker 101 12 0.8 12 46 2.9 45.5
Tug 85 2 0.1 2 12 0.8 14.1
Pleasure 35 0 0
Passenger 31 0 3 0.2 9.7
Fishing 28 0 0
Miscellaneous 21 1 0.1 5 0
Military 19 0 0
Research 4 0 1 0.1 25.0