7 instances from 2 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 14:12:32 21:35:06 26 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 13:28:57 15:46:11 Jul Aug Sep Oct 2 Nov Dec 26