9 instances from 2 years 2018 - 7 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2018 6 instances 18:16:42 18:16:46 18:27:55 18:27:59 18:31:56 18:32:00 22 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 15:06:44 15:06:48