25 instances from 4 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 6 instances Jan Feb Mar Apr May Jun 22 6 Jun 22, 2018 6 instances 03:18:02 03:18:06 03:26:58 03:27:02 04:09:35 04:09:39 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 14:44:47 14:44:54 15:17:29 15:17:33 15:29:27 15:29:31 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 15:21:37 15:21:41 Nov Dec 25 2 Dec 25, 2017 2 instances 19:22:13 19:22:17 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 25 8 Sep 25, 2016 8 instances 08:12:57 08:13:02 08:22:42 08:22:46 08:25:21 08:25:25 08:34:26 08:34:31 Oct Nov Dec