Annotations and keywords of articles

год	№ 1	№ 2	№ 3	№ 4	№ 5	№ 6
2011	open	open	open	open	open	open
2012	open	open	open	open	open	-
2013	open	open	open	open	-	-
2014	open	open	open	open	-	-
2015	open	open	open	open	-	-
2016	open	open	open	open	-	-
2017	open	open	open	open	-	-
2018	open	open	open	open	-	-
2019	open	open	open	open	-	-
2020	open	open	open	open	-	-
2021	open	open	open	open	-	-
2022	open	open	open	open	-	-
2023	open	open	-	-	-	-