Ar vs n in Hydrocarbons

https://drive.google.com/file/d/1d62O0inCuDkNeH0ps-jKkP9HE1iXzXmK/view?usp=drivesdk

Link to code

https://drive.google.com/file/d/146_FQ-V0ezUQaL-nWobX9L5BHtzmdqU0/view?usp=drivesdk

As we can see in the graph the ar increases as number of moles of carbon increases but the increase is higher in Alkanes,slightly less in alkenes and least in alkynes.