The following table shows yearly production of scooters (in thousands) in different factories. In which year the total production of scooters of all factories was equal to the yearly average number of scooters produced during 2015-2019?
|
Factory |
Year |
||||
|
2015 |
2016 |
2017 |
2018 |
2019 |
|
|
A |
25 |
30 |
15 |
23 |
16 |
|
B |
14 |
24 |
12 |
17 |
20 |
|
C |
20 |
41 |
17 |
21 |
13 |
|
D |
40 |
39 |
35 |
32 |
41 |
|
E |
16 |
15 |
22 |
15 |
12 |
|
Total |
115 |
149 |
101 |
108 |
102 |
1
2015
2
2017
3
2016
4
2018