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 19:05:25 19:05:29 19:17:20 19:17:24 19:22:19 19:22:22 22 Jul Aug Sep Oct Nov Dec 2017 - 12 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 04:07:28 04:07:35 04:09:25 04:09:32 04:10:06 04:10:13 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 11:53:31 11:53:35 Nov 8 2 Nov 8, 2017 2 instances 15:50:51 15:50:53 Dec 25 2 Dec 25, 2017 2 instances 15:35:01 15:35:04