Class 1 - May 9
Class 2 - May 11
Class 3 - May 16
Class 4 - May 18
Class 5 - May 25
Class 6 - May 30
Class 7 - June 1
Class 8 - June 6
Class 9 - June 8
Class 10 - June 13
Class 11 - June 15
Class 12 - June 20
Class 13 - June 22
Class 14 - June 27
Class 15 - July 4
Class 16 - July 6
Class 17 - July 11
Class 18 - July 13
Class 19 - July 18
Class 20 - July 20