8 instances from 2 years 2018 - 4 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 04:49:01 04:49:10 07:13:30 07:13:38 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 01:17:10 01:18:08 Nov Dec 25 2 Dec 25, 2017 2 instances 02:14:24 02:15:17