A store surveyed their customers to find out their ages. The bar graph below shows the number of customers in each age group.

[Graphs generated by this script: setBorder(28,45,0,10); initPicture(0,16,0,35);axes(1000,5,1,1000,5); fill="blue"; stroke="black";textabs([315,0],"Age","above");rect([1,0],[3,20]);text([2,0],"under 17","below");rect([4,0],[6,25]);text([5,0],"18-24","below");rect([7,0],[9,35]);text([8,0],"25-34","below");rect([10,0],[12,25]);text([11,0],"35-50","below");rect([13,0],[15,15]);text([14,0],"over 50","below");]

What percent of customers surveyed were 18-24? Round your answer to 1 decimal place.

%