11 instances from 2 years 2018 - 8 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 20:29:47 20:43:33 20:44:54 22 4 Jun 22, 2018 4 instances 04:47:22 11:18:51 11:31:00 23:47:24 23 Jul Aug Sep Oct Nov Dec 2017 - 3 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 Nov Dec 25 26