Number of candidates (in hundreds) who appeared in an exam from five states
| Year | State A | State B | State C | State D |
|---|---|---|---|---|
| 2017 | 105 | 30 | 200 | 120 |
| 2018 | 110 | 185 | 105 | 145 |
| 2019 | 35 | 80 | 200 | 115 |
| 2020 | 80 | 115 | 40 | 45 |
| 2021 | 70 | 145 | 125 | 140 |
31
In which year was the total number of candidates of all the states taken together the highest?
Easy