18 instances from 3 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2018 6 instances 19:06:59 19:07:03 19:18:54 19:18:58 19:23:53 19:23:57 22 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 11:41:18 11:41:21 12:03:46 12:03:50 12:22:40 12:22:44 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 11:54:36 11:54:39 Nov Dec 25 2 Dec 25, 2017 2 instances 15:36:33 15:36:37