Not too many: http://us.imdb.com/name/nm0001060/awards
Columbus sailed using three boats: the Niña, the Pinta, and the Santa Maria and his crew consisted of 87 men. So do 87/3=29.
The National Marine Manufacturers Association estimated there were 16.93 million boats in the US in 2008
Thousands in WWII.
he had 3 boats the pinta, the santa maria and the Nina