12 instances from 4 years 2018 - 7 instances Jan Feb Mar Apr May Jun 21 7 Jun 21, 2018 7 instances 01:40:21 03:43:05 03:43:19 03:43:48 03:44:02 03:44:46 03:45:00 Jul Aug Sep Oct Nov Dec 2017 - 2 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 20:59:05 20:59:05 Jul Aug Sep Oct Nov Dec 2016 - 2 instances Jan Feb Mar Apr May Jun 20 29 Jul Aug Sep Oct Nov Dec 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 18