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:
| Driver | Season | Wins | Entries | Percentage |
| --- | --- | --- | --- | --- |
| Michael Schumacher | 2004 | 13.0 | 18 | 72.22% |
| Michael Schumacher | 2002 | 11.0 | 17 | 64.70% |
| Sebastian Vettel | 2011 | 11.0 | 19 | 57.89% |
| Sebastian Vettel | 2013 ** | 11.0 | 17 | 64.70% |
| Nigel Mansell | 1992 | 9.0 | 16 | 56.25% |
| Michael Schumacher | 1995 | 9.0 | 17 | 52.94% |
| Michael Schumacher | 2000 | 9.0 | 17 | 52.94% |
| Michael Schumacher | 2001 | 9.0 | 17 | 52.94% |
| Ayrton Senna | 1988 | 8.0 | 16 | 50.00% |
| Michael Schumacher | 1994 | 8.0 | 14* | 57.14% |
| Damon Hill | 1996 | 8.0 | 16 | 50.00% |
| Mika Häkkinen | 1998 | 8.0 | 16 | 50.00% |
Question:
What is the fewest number of wins in the chart for Ayrton Senna?
Answer:
8.0