The given table shows the production of four types of cars by a company during 2015 – 2019.
| Types |
Years
|
||||
| 2015 | 2016 | 2017 | 2018 | 2019 | |
| A | 90 | 110 | 96 | 114 | 120 |
| B | 94 | 104 | 91 | 118 | 130 |
| C | 86 | 100 | 87 | 104 | 110 |
| D | 70 | 86 | 76 | 94 | 100 |
The difference between the average production of all cars in 2015 and 2019 is equal to: