20 instances from 3 years 2021 - 1 instance Jan Feb Mar 20 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 06:56:18 06:56:20 07:01:49 13:46:30 14:31:22 20:43:03 22 Jul Aug Sep Oct Nov Dec 2017 - 12 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 04:09:25 04:09:33 04:11:21 04:11:28 04:12:02 04:12:09 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 04:49:17 04:49:25 Nov 8 2 Nov 8, 2017 2 instances 16:16:07 16:16:09 Dec 25 2 Dec 25, 2017 2 instances 06:07:43 12:22:43