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 06:43:48 06:43:51 06:44:26 06:49:38 13:37:30 14:23:24 20:38:07 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 04:01:45 04:01:51 04:03:46 04:03:53 04:04:26 04:04:33 Jul Aug Sep Oct Nov 8 2 Nov 8, 2017 2 instances 15:52:40 15:52:42 Dec 25 2 Dec 25, 2017 2 instances 05:58:02 12:14:49