16 instances from 4 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 8 instances Jan Feb Mar Apr May Jun 21 8 Jun 21, 2018 8 instances 02:55:39 02:55:51 02:55:53 06:39:14 06:40:08 06:45:25 19:16:43 20:36:03 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 02:18:38 04:26:38 Nov 2 2 Nov 2, 2017 2 instances 17:59:25 17:59:27 Dec 25 2 Dec 25, 2017 2 instances 03:29:33 05:30:44