10 instances from 2 years 2018 - 8 instances Jan Feb Mar Apr May Jun 21 8 Jun 21, 2018 8 instances 04:24:59 04:25:00 04:26:04 07:17:50 07:17:58 07:24:44 19:49:37 20:51:37 Jul Aug Sep Oct Nov Dec 2017 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 25 2 Dec 25, 2017 2 instances 04:53:40 06:32:58