14 instances from 2 years 2018 - 8 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 15:12:03 15:40:42 15:52:27 15:55:52 22 3 Jun 22, 2018 3 instances 03:07:18 10:45:37 10:58:02 30 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:44:25 19:55:12 Nov 8 2 Nov 8, 2017 2 instances 21:00:31 21:00:34 Dec 25 26