Ethnic Demographics of Lahore

https://preview.redd.it/rlxr9yydhm9e1.png?width=311&format=png&auto=webp&s=f8416d27f051775d7d85f00abb401f004d6aac65 What are punjabi kashmiris are they all ethnic kashmiri or are they pahari. and why are there so many of them? Ive never heard of this before. Wikipedia says they're from kashmir valley but 30% is a lot.