No lie, that's a qualified success: it used to be 14 days offered and 8 exercised in Japan, as recently as a few years ago. (The 2006ish timeframe? Read it in a work-related report. [+])
[+] Proving once again that you can almost never underestimate how bad the Japanese work culture is, the actual stats from 平成19年就労条件総合調査結果の概況 (covering 2006) were, at companies above 1,000 employees, 9.7 days offered and 5 actually used. You might think "Well maybe that's the megacorps being shoddy" but the actual numbers get worse as you go down the size-of-employer table.