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 18:11:29 18:11:33 18:22:45 18:22:49 18:26:47 18:26:50 22 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 11:21:00 11:30:34 11:31:49 12:11:05 19:22:39 20:05:31 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 11:38:58 20:34:31 Nov Dec 25 2 Dec 25, 2017 2 instances 15:01:35 15:01:38