あれだけのコインを収集するのにどれだけの年月がかかりましたか。

I; me; oneself; you; prefix indicating familiarity or contempt

only; just; merely; simply; no more than; nothing but; alone; as (e.g. as soon as, as much as); worth

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

coin

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

gathering up; collection; accumulation

although; when; and yet; despite this; in spite of; even though; but even so; but even then; however; nevertheless; for all that; notwithstanding that; while; if only; I wish; I tell you; you should do; in order to

which (of three or more); whichever; any; well; now; let me see

months and years

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

to take (a resource, e.g. time or money); to hang; to come into view; to arrive; to come under (a contract, a tax); to start (engines, motors); to attend; to deal with; to handle; to have started to; to be on the verge of; to overlap (e.g. information in a manual); to cover; to (come) at; to be fastened; to be covered (e.g. with dust, a table-cloth, etc.); to be caught in; to get a call; to depend on

indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way