Statement:
In Serbia, mobile Internet is on average more expensive than in San Marino

In the Most expensive mobile internet rating Serbia holds position #124 ²⁰²² out of 204 and San Marino is #156 out of 204 ²⁰²².
Position of Serbia is worse than position of San Marino.
Both countries holds average positions in the "Most expensive mobile internet" rating. So Average price of 1GB (USD) is an average for both Serbia and San Marino, compared to most countries of the World.

Referencies:

1. Most expensive mobile internet ²⁰²² by cable.co.uk

   The countries in the rating sorted by 'Average price of 1GB (USD)' in descending order.

   San Marino	'Average price of 1GB (USD)' value is	0.14
   Serbia	'Average price of 1GB (USD)' value is	0.76