By transaction volume yes. Presumably it’s not all spending though, if you regularly win back some of that money. The same dollar is probably wagered multiple times before it is lost.
Ontario lotteries pay out about 58 cents per dollar in, so that's still $13,000 annually out-of-pocket for a total spend of $31,000. That's crazy money.
https://igamingontario.ca/en/news/igaming-ontario-posts-stea...
$3.2B revenue, 2.6M player accounts, ~$1230/yr ~= $100/month