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 04:19:10 04:19:13 04:19:13 04:19:54 04:19:57 19:46:51 23 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2017 4 instances 02:56:33 04:15:55 04:17:46 04:18:24 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 03:24:37 04:54:56 Nov 2 2 Nov 2, 2017 2 instances 23:09:09 23:09:11 8 2 Nov 8, 2017 2 instances 22:38:58 22:39:00 Dec