17 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 06:42:47 06:42:51 06:43:29 06:48:41 13:30:50 14:16:46 20:37:39 Jul Aug Sep Oct Nov Dec 2017 - 8 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 04:00:26 04:00:34 04:02:30 04:02:37 04:03:10 04:03:18 Jul Aug Sep Oct Nov Dec 25 2 Dec 25, 2017 2 instances 05:57:11 12:08:07