19 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 04:43:30 04:43:31 04:43:33 04:45:22 04:45:25 19:56:55 23 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 11:02:24 11:11:58 11:23:39 11:51:58 22:35:39 Jul Aug 28 Sep Oct 2 3 Nov Dec 25 2 Dec 25, 2017 2 instances 14:44:12 14:44:15