15 instances from 2 years 2018 - 8 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 17:10:11 17:22:03 17:26:38 22 4 Jun 22, 2018 4 instances 03:38:22 10:49:27 11:01:51 16:36:54 23 Jul Aug Sep Oct Nov Dec 2016 - 7 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 2 Sep 19, 2016 2 instances 11:08:14 11:08:16 30 2 Sep 30, 2016 2 instances 20:34:06 20:39:51 Oct 3 3 Oct 3, 2016 3 instances 13:30:40 13:30:55 13:32:06 Nov Dec