10 instances from 2 years 2018 - 8 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 15:13:39 15:42:17 15:54:23 15:57:25 22 4 Jun 22, 2018 4 instances 03:07:57 10:47:08 10:59:34 23:39:03 Jul Aug Sep Oct Nov Dec 2017 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 25 26