what were all of nico rosbergs finishing positions?
18th, 1st, 8th, nc, nc, 11th, 4th, nc, 6th, 2nd, 1st, test driver, 17th, 9th, 13th, 7th, 7th, 7th, 9th, 6th, 1st*
which of these finishes were the lowest?
18th