I've been racking my brain trying to come up with numbers, buy can't. All I can recall is that I bought them retail in the US and when I saw the prices in Cambodia and Thailand I was annoyed at myself.
As a prophylaxis, my insurance did not cover the script ... paid out of pocket ... regretted it.
That said, if I picked up a counterfeit batch in SEA, and got sick, I'd have regretted it.
NB: I lived in Cambodia for a time and twice bought counterfeit diabetes meds, so it does happen, even at the good places.