18 instances from 3 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2018 6 instances 17:47:09 17:47:12 17:58:39 17:58:42 18:02:50 18:02:53 22 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 11:01:54 11:11:28 11:23:09 11:51:48 22:35:32 Jul Aug 28 Sep Oct 2 3 Nov Dec 25 2 Dec 25, 2017 2 instances 14:40:29 14:40:33