So, if my manual checking is correct then the address (3AiGej11G8jUXvEBPvQKPLiHXC7ruUCp1Z) actually received 1890.69511301 (+/- 0.00228457) BTC in-total.
PS: Guys, since this is a manual checking, I could even miss some of the transactions while I was tracing. So, don't consider it as a solid calculation of the received coins.
Your method and number seems more accurate. I'll wait until other people smarter than me examine that wallet. Anybody can download a csv or xlxs spreadsheet file of the entire wallet on
https://blockchain.info/export-history?active=3AiGej11G8jUXvEBPvQKPLiHXC7ruUCp1Z