15-18 Jan 2013	GRPE | Session 65
3-7 Jun 2013	GRPE | Session 66
7-10 Jan 2014	GRPE | Session 68
5-6 Jun 2014	GRPE | Session 69
13-16 Jan 2015	GRPE | Session 70
6-9 Jun 2017	GRPE | Session 75
9-12 Jan 2018	GRPE | Session 76
4-8 Jun 2018	GRPE | Session 77
7-11 Jan 2019	GRPE | Session 78
14-17 Jan 2020	GRPE | Session 80
9-12 Jun 2020	GRPE | Session 81
12-15 Jan 2021	GRPE | Session 82
1-4 Jun 2021	GRPE | Session 83
11-14 Jan 2022	GRPE | Session 85
30 May-2 Jun 2022	GRPE | Session 86
10-13 Jan 2023	GRPE | Session 87
9 May 2023	TF-AVRS | Session 4
30 May-2 Jun 2023	GRPE | Session 89
9-12 Jan	GRPE | Session 90