The following table shows the total sale of cars of four companies from 2015 to 2018.
| YEAR/CAR | TATA | HYUNDAI | MAHINDRA | TOYOTA |
| 2015 | 465 | 472 | 486 | 482 |
| 2016 | 375 | 427 | 379 | 419 |
| 2017 | 246 | 357 | 236 | 523 |
| 2018 | 456 | 357 | 484 | 475 |
In which year was the total number of cars sold by these four companies taken together the maximum?
1
2015
2
2018
3
2017
4
2016