Countries	Less than 0.8 mg NO3-N/l (%)	0.8-2.0 mg NO3-N/l (%)	2.0-3.6 mg NO3-N/l (%)	3.6-5.6 mg NO3-N/l (%)	5.6-11.3 mg NO3-N/l (%)	Greater than 11.3 mg NO3-N/l (%)
United Kingdom (1452)	31.62	19.83	13.43	9.16	15.5	10.46
Switzerland (125)	28.8	30.4	12.0	17.6	11.2	0.0
Sweden (128)	77.35	14.06	4.69	3.11	0.79	0.0
Spain (2893)	39.71	33.02	12.75	7.19	5.74	1.59
Slovenia (17)	17.65	82.35	0.0	0.0	0.0	0.0
Slovakia (16)	0.0	68.75	31.25	0.0	0.0	0.0
Serbia (36)	36.11	63.89	0.0	0.0	0.0	0.0
Romania (121)	52.07	41.32	6.61	0.0	0.0	0.0
Portugal (126)	61.9	24.61	8.73	3.97	0.79	0.0
Poland (2961)	65.35	21.88	8.41	2.16	1.86	0.34
North Macedonia (19)	26.32	68.42	5.26	0.0	0.0	0.0
Lithuania (330)	22.42	32.12	20.3	16.67	7.88	0.61
Latvia (23)	39.13	39.13	13.04	8.7	0.0	0.0
Kosovo* (47)	51.06	42.55	6.39	0.0	0.0	0.0
Italy (1959)	40.33	33.33	16.74	6.84	2.6	0.16
Ireland (182)	43.96	26.37	18.68	9.34	1.65	0.0
Iceland (3)	100.0	0.0	0.0	0.0	0.0	0.0
Germany (248)	5.65	24.19	46.77	20.57	2.82	0.0
France (1542)	16.54	24.58	19.2	15.82	20.43	3.43
Finland (106)	87.74	10.38	1.88	0.0	0.0	0.0
Estonia (142)	45.07	35.92	12.68	4.22	2.11	0.0
Denmark (41)	0.0	14.63	41.47	39.02	4.88	0.0
Czechia (863)	6.6	26.77	33.14	21.79	11.47	0.23
Cyprus (25)	68.0	16.0	12.0	0.0	4.0	0.0
Croatia (48)	60.42	39.58	0.0	0.0	0.0	0.0
Belgium (109)	0.92	12.84	45.87	33.03	7.34	0.0
Austria (81)	33.33	39.51	19.75	7.41	0.0	0.0
Albania (26)	100.0	0.0	0.0	0.0	0.0	0.0