Class	Phosphate <0.02	Phosphate >=0.02, <0.05	Phosphate >=0.05, <0.1	Phosphate >=0.1, <0.2	Phosphate >=0.2, <0.4	Phosphate >=0.4	Phosphate Sites	<0.02	>=0.02, <0.05	>=0.05, <0.1	>=0.1, <0.2	>=0.2, <0.4	>=0.4	Nitrate <0.8	Nitrate >=0.8, <2	Nitrate >=2, <3.6	Nitrate >=3.6, <5.6	Nitrate >=5.6, <11.3	Nitrate >=11.3	Nitrate Sites	<0.8	>=0.8, <2	>=2, <3.6	>=3.6, <5.6	>=5.6, <11.3	>=11.3
Black Sea basin (14)	1	10	2	0	1	0	14	7.14	71.43	14.29	0.0	7.14285714286	0	13	1	0	0	0	0	14	0.0	92.86	7.14	0.0	0.0	0.0
Caspian Sea basin (34)	0	0	3	21	10	0	34	0.0	0.0	8.82	61.76	29.4117647059	0	16	14	4	0	0	0	34	0.0	47.06	41.18	11.76	0.0	0.0