Strange volumes yesterday (2/12/16)

Can anyone explain to me why I was seeing these tiny volumes being traded yesterday?

10:38:02 AM 0.082 6 0.492
10:37:31 AM 0.082 7 0.574
10:37:31 AM 0.082 7 0.574
10:37:01 AM 0.082 6 0.492
10:36:30 AM 0.082 6 0.492
10:36:08 AM 0.082 8 0.656
10:36:07 AM 0.082 8 0.656
10:36:07 AM 0.082 15 1.230
10:36:07 AM 0.082 15 1.230
10:36:05 AM 0.082 20 1.640
10:35:40 AM 0.082 6 0.492
10:35:40 AM 0.082 6 0.492
10:35:39 AM 0.082 6 0.492
10:35:37 AM 0.082 7 0.574
10:35:35 AM 0.082 8 0.656
10:35:35 AM 0.082 10 0.820
10:35:35 AM 0.082 10 0.820
10:35:28 AM 0.082 6 0.492
10:35:28 AM 0.082 6 0.492
10:35:25 AM 0.082 6 0.492