_id	2017.0	2018.0	2019.0	2020.0	2021.0	"Var.ass. 
21-20"	"Var. %
21-20"
1	9.0	-	6.0	0.0	0.0	0.0	-
2	-	0.0	-	0.0	0.0	0.0	-
3	12.0	-	7.0	0.0	0.0	0.0	-
4	""	""	""	""	""	""	""
5	""	""	""	""	""	""	""