Melanie asked 15 random seventh-grade students how many soccer games they attended this school year. The number of games attended by each student is listed below.

2, 3, 6, 4, 7, 0, 4, 5, 0, 1, 2, 3, 2, 1, 4

What is the ratio of the total number of surveyed students who attended soccer games to the total number of students surveyed?