9 instances from 3 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 5 Jun 21, 2018 5 instances 03:15:59 03:16:02 03:16:02 03:17:40 19:23:51 22 2 Jun 22, 2018 2 instances 15:54:04 16:10:58 Jul Aug Sep Oct Nov Dec