CAT 2017 Data Interpretation and Logical Reasoning

Directions (Q. Nos. 47-50)
The table below shows the number of goals scored by the top four International footballers in all International matches played for each year from 2013-2016.The goals scored by the four top goal scorers for each year between 2013 and 2016 have been represented as P, Q, R and S in no particular order It was the same set of four footballers- Lionel Messi, Neymar Jr., Wayne Rooney & Cristiano Ronaldo, (in no particular order) who were the lop goal scorers in each year.The following additional information is provided too : Lionel Messi was the highest goal scorer in either 2015 or 2016
The total number of goals scored in the four years by Neymar Jr. and Cristiano Ronaldo differ by 9 The letter representing Wayne Rooney, was neither P nor S