9 instances from 2 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 8 instances Jan Feb Mar Apr May Jun 21 8 Jun 21, 2018 8 instances 04:25:27 04:25:30 04:26:35 06:35:05 06:35:52 06:40:46 19:49:52 20:33:08 Jul Aug Sep Oct Nov Dec