The table below shows the production of different types of scooters X, Y, Z and T by a company during four months.
| Type of Scooter/Month | January | February | March | April |
| X | 45 | 55 | 28 | 35 |
| Y | 75 | 47 | 58 | 26 |
| Z | 86 | 27 | 73 | 51 |
| T | 74 | 32 | 29 | 69 |
| Total | 280 | 161 | 188 | 181 |
In which month did the company produce the minimum number of scooters?