Definition of amounts:
(n) :
The total, aggregate or sum of material (not applicable to discrete numbers or units or items in standard English).
(n) :
A quantity or volume.
(n) :
(nonstandard, sometimes proscribed) The number (the sum) of elements in a set.
(v) :
(intransitive, followed by to) To total or evaluate.
(v) :
(intransitive, followed by to) To be the tantamount to; to reach up to the level of.
(v) :
(obsolete, intransitive) To go up; to ascend.