Countries	Yeay	Collected without treatment	Primary	Secondary	Tertiary
Finland	1970	26	16	11	0
Finland	1980	4	4	1	59
Finland	1990	0	0	0	76
Finland	1995	0	0	0	77
Finland	2000	0	0	0	80
Finland	2005	0	0	0	81
Finland	2010	0	0	0	83
Finland	2012	0	0	0	83
Finland	2014	0	0	0	83
Finland	2015	0	0	0	83
Iceland	1970	0	0	0	0
Iceland	1980	0	0	0	0
Iceland	1990	88	2	0	0
Iceland	1995	86	4	0	0
Iceland	2000	57	33	0	0
Iceland	2005	32	55	2	0
Iceland	2010	25	65	0	1
Iceland	2012	25	65	0	1
Iceland	2014	25	65	0	1
Iceland	2015	25	65	0	1
Norway	1970	64	1	0	20
Norway	1980	46	7	1	26
Norway	1990	20	13	1	43
Norway	1995	13	15	1	51
Norway	2000	5.9	22.1	0.9	51.1
Norway	2005	5	20.6	1.4	56.6
Norway	2010	4	21.9	1.6	57.6
Norway	2012	3.5	19.1	1.4	61.2
Norway	2014	3	19.4	1.6	61.2
Norway	2015	2.4	18.1	1.6	64.1
Sweden	1970	37	19	41	3
Sweden	1980	18	1	20	61
Sweden	1990	0	0	9	85
Sweden	1995	0	0	6	87
Sweden	2000	0	0	5	81
Sweden	2005	0	0	5	81
Sweden	2010	0	0	4	82
Sweden	2012	0	0	4	83
Sweden	2014	0	0	4	83
Sweden	2015	0	0	4	83