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 02:49:54 02:50:39 02:50:41 06:39:10 06:40:04 06:45:21 19:14:52 20:36:02 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 02:14:56 04:25:43 Nov 2 2 Nov 2, 2017 2 instances 17:56:16 17:56:18 Dec 25 2 Dec 25, 2017 2 instances 03:25:32 05:30:41