name	s	count
"Melville"	http://data.rvdata.us/id/vessel/318M	425
"Kilo Moana"	http://data.rvdata.us/id/vessel/33KB	356
"Vema"	http://data.rvdata.us/id/vessel/31VE	324
"Pelican"	http://data.rvdata.us/id/vessel/32PE	305
"Robert D. Conrad"	http://data.rvdata.us/id/vessel/31RD	302
"Roger Revelle"	http://data.rvdata.us/id/vessel/33RR	288
"Savannah"	http://data.rvdata.us/id/vessel/33H6	276
"Atlantic Explorer"	http://data.rvdata.us/id/vessel/33H4	274
"Oceanus"	http://data.rvdata.us/id/vessel/32OC	273
"Hugh R. Sharp"	http://data.rvdata.us/id/vessel/33H5	255