15 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 22 7 Jun 22, 2018 7 instances 00:19:56 00:20:00 00:32:16 00:32:19 00:40:38 00:40:42 01:09:54 Jul Aug Sep Oct Nov Dec 2016 - 7 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:05:49 15:11:28 15:11:30 15:11:42 Oct 3 3 Oct 3, 2016 3 instances 20:01:05 20:01:23 20:03:10 Nov Dec