17 instances from 4 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 00:19:42 00:19:46 00:32:02 00:32:05 00:40:24 00:40:28 01:09:50 Jul Aug Sep Oct Nov Dec 2017 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 26 2 Dec 26, 2017 2 instances 00:12:51 00:12:54 2016 - 7 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:05:42 15:11:21 15:11:24 15:11:35 Oct 3 3 Oct 3, 2016 3 instances 20:00:57 20:01:16 20:03:02 Nov Dec