10 instances from 2 years 2020 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 13 14 Dec 2016 - 8 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 14:19:08 14:23:07 15:51:40 19:48:16 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 14:38:25 14:42:25 14:57:18 15:01:22 Oct Nov Dec