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 | Venue | Winner | Country | Score |
| --- | --- | --- | --- | --- |
| 2005.0 | Arlandastad | David Patrick | Scotland | 272.0 |
| 2004.0 | Arlandastad | Matthew King | England | 270.0 |
| 2003.0 | Falsterbo | Titch Moore | South Africa | 273.0 |
| 2002.0 | Halmstad | Thomas Besancenez | France | 279.0 |
| 2001.0 | Bokskogens | Cristophe Pottier | France | 272.0 |
Question:
What was the average year during which the score was 270?
Answer:
2004.0