16 instances from 5 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 3 instances Jan 20 Feb Mar Apr May Jun Jul Aug Sep Oct Nov 13 16 Dec 2019 - 3 instances Jan Feb Mar Apr May Jun 22 Jul Aug Sep 18 Oct 26 Nov Dec 2017 - 2 instances Jan 8 Feb Mar Apr May Jun 23 Jul Aug Sep Oct Nov Dec 2016 - 7 instances Jan Feb Mar Apr May Jun 24 Jul Aug Sep 20 Oct 1 4 3 Oct 4, 2016 3 instances 16:16:31 16:51:54 19:31:13 Nov Dec 30