17 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:28:53 03:29:28 03:30:22 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 20:20:32 20:23:23 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 10 instances Jan Feb Mar Apr May Jun 20 2 Jun 20, 2016 2 instances 08:59:46 09:45:11 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:14:23 17:18:02 17:20:40 Oct 1 3 3 Oct 3, 2016 3 instances 17:21:17 17:26:07 17:26:40 Nov Dec 30