10 instances from 2 years 2018 - 6 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2018 6 instances 03:21:51 03:21:51 03:21:51 18:50:30 18:50:30 18:50:30 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 03:11:39 16:38:14 Nov Dec 25 2 Dec 25, 2017 2 instances 04:16:54 17:59:27