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 7 Jun 21, 2018 7 instances 07:47:53 07:47:57 07:48:47 07:48:50 07:56:17 07:56:21 20:58:11 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 03:51:49 03:51:59 03:53:56 03:54:06 03:54:33 03:54:43 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 04:20:07 04:20:17 Nov Dec 25 2 Dec 25, 2017 2 instances 06:40:36 06:40:39