Tributary	Up	In	Down
I	14	23	19
Juta	11	15	18
Juru	8	13	8
Japur	9	16	11
Coari	5	7	7
Purus	10	23	16
Manacapuru	5	8	6
Negro	23	26	24
Madeira	29	24	30
Trombetas	19	20	16
Tapajs	16	5	20
Xingu	25	24	21
Tocantins	10	12	12