Hazardous waste:Following is a list of the number of hazardous waste sites in states in a recent year. The list has been sorted into numerical order.

0 1 2 2 3 5 6 9 9 9

9 9 11 12 12 12 12 12 13 13

14 14 14 14 15 15 15 16 19 19

20 21 25 26 29 30 32 32 32 38

40 48 49 49 52 67 86 97 97 116

Source: U.S. Environmental Protection Agency

A particular state has20hazardous waste sites. What percentile is this? Round the answer to the nearest whole number.The percentile for20

is( ? )