15 instances from 3 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 21 6 Jun 21, 2018 6 instances 07:14:52 07:14:54 07:14:56 07:21:36 07:21:40 20:50:30 Jul Aug Sep Oct Nov Dec 2017 - 8 instances Jan Feb Mar Apr May Jun 21 22 3 Jun 22, 2017 3 instances 01:05:08 16:58:29 17:28:01 Jul Aug Sep Oct 3 2 Oct 3, 2017 2 instances 03:48:07 20:35:29 Nov Dec 25 2 Dec 25, 2017 2 instances 06:29:06 06:29:09