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 | Theme | Artist | Mintage | Issue Price |
| --- | --- | --- | --- | --- |
| 2005.0 | Fur Traders | John Mardon | 4500.0 | $489.95 |
| 2006.0 | Timber Trade | John Mardon | 4500.0 | $489.95 |
| 2007.0 | Fishing Trade | John Mardon | 4000.0 | $579.95 |
| 2008.0 | Agricultural Commerce | John Mardon | 4000.0 | $619.95 |
| 2009.0 | Coal Mining Trade | John Mardon | 4000.0 | $697.95 |
| 2010.0 | Petroleum and Oil Trade | John Mardon | 4000.0 | $999.95 |
Question:
What year was the timber trade?
Answer:
2006.0