 Almost 6.5 per cent of mathematics examinees in 2017 scored 95 or more — 10 times higher than in 2004 — and almost 6 per cent of physics examinees scored 95 or more, 35 times more than in 2004.Grade inflation is a specific instance of a broader phenomena of ratings or reputation inflation where rating decisions are made by individuals.This has been occurring in peer-to-peer services such as Uber.