Arnold Palmer Hospital is studying the number of emergency surgery kits that it uses on weekends. Over the past 40 weekends, the number of kits used was as follows:

Number of Kits . Frequency
4 ........... 4
5 ........... 6
6 ......... 10
7 ......... 12
8 ........... 8

The following random numbers have been generated: 11, 52, 59, 22, 03, 03, 50, 86, 85, 15, 32, 47. Simulate 12 weekends of emergency kit usage. What is the average number of kits used during these 12 weekends?