17 instances from 2 years 2018 - 7 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2018 6 instances 19:06:15 19:06:18 19:18:10 19:18:14 19:23:07 19:23:11 22 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 11:40:49 11:40:52 12:03:17 12:03:20 12:22:11 12:22:15 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 11:54:06 11:54:10 Nov Dec 25 2 Dec 25, 2017 2 instances 15:35:49 15:35:53