People-You're เริ will say welcome (it doesn't matter). When people say thank you, and if you happen to crash or to walk in the narrow pass, then it will always say Excuse me, rather than to say Sorry (I apologize).
America, people will say, You're welcome (not) when people say thank you. And if accidentally bumped or to walk through the narrow, it is often said, Excuse me, than to say, Sorry (sorry), for example.