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 04:33:27 04:33:30 04:33:31 04:35:06 04:35:09 19:53:39 23 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 14:31:32 14:31:44 15:06:14 15:06:24 15:18:03 15:18:13 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 15:07:39 15:07:49 Nov Dec 25 2 Dec 25, 2017 2 instances 19:09:35 19:09:39