Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Class | Team | Points | Wins |
| --- | --- | --- | --- | --- |
| 1973.0 | 350cc | Harley Davidson | 8.0 | 0.0 |
| 1973.0 | 500cc | Harley Davidson | 10.0 | 0.0 |
| 1974.0 | 500cc | MV Agusta | 69.0 | 1.0 |
| 1975.0 | 500cc | MV Agusta | 13.0 | 0.0 |
| 1976.0 | 250cc | Harley Davidson | 61.0 | 1.0 |
| 1976.0 | 350cc | Harley Davidson | 15.0 | 0.0 |
| 1977.0 | 500cc | Suzuki | 37.0 | 0.0 |
| 1978.0 | 350cc | Yamaha | 37.0 | 0.0 |
| 1978.0 | 500cc | Suzuki | 2.0 | 0.0 |
| 1979.0 | 350cc | Yamaha | 2.0 | 0.0 |
| 1980.0 | 500cc | Yamaha | 0.0 | 0.0 |
Question:
What is the average year that has a win less than 1, yamaha as the team, with points greater than 2?
Answer:
1978.0