24 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 - 7 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2018 6 instances 16:04:42 16:04:45 16:16:52 16:16:56 16:20:30 16:20:33 22 Jul Aug Sep Oct Nov Dec 2017 - 15 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 02:02:54 02:03:22 02:04:44 03:54:43 03:56:50 03:57:27 Jul Aug 28 Sep Oct 2 2 Oct 2, 2017 2 instances 11:04:17 20:27:18 Nov 2 2 Nov 2, 2017 2 instances 20:22:16 20:22:18 8 2 Nov 8, 2017 2 instances 15:47:12 15:47:15 Dec 25 2 Dec 25, 2017 2 instances 14:10:52 14:10:55