9 instances from 2 years 2018 - 7 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2018 6 instances 18:11:58 18:12:02 18:23:13 18:23:17 18:27:14 18:27:18 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 15:02:02 15:02:05