9 instances from 2 years 2018 - 7 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 20:32:06 20:45:51 20:47:14 22 3 Jun 22, 2018 3 instances 04:48:19 11:21:05 11:33:13 23 Jul Aug Sep Oct Nov Dec 2017 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 25 26