20 instances from 3 years 2021 - 1 instance Jan 6 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2018 6 instances 03:29:07 03:29:10 03:29:20 03:29:24 03:30:30 19:29:13 22 Jul Aug Sep Oct Nov Dec 2017 - 12 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 02:23:25 02:23:31 02:25:31 09:19:06 09:19:43 09:21:03 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 02:44:13 08:56:44 Nov 8 2 Nov 8, 2017 2 instances 14:03:47 14:03:49 Dec 25 2 Dec 25, 2017 2 instances 04:02:17 04:02:20