21 instances from 3 years 2018 - 7 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 20:29:26 20:43:12 20:44:32 22 3 Jun 22, 2018 3 instances 04:47:14 11:18:30 11:30:40 23 Jul Aug Sep Oct Nov Dec 2017 - 9 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 13:07:01 13:30:47 13:51:31 19:16:18 19:35:28 19:59:09 Jul Aug Sep Oct 2 Nov Dec 25 26 2016 - 5 instances Jan Feb Mar Apr May Jun Jul Aug Sep 30 2 Sep 30, 2016 2 instances 21:35:52 21:41:37 Oct 3 2 Oct 3, 2016 2 instances 14:50:03 14:50:04 19 Nov Dec