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 | Team | Laps | Time/Retired | Grid |
| --- | --- | --- | --- | --- |
| Mario Domínguez | Herdez Competition | 40.0 | 2:00:06.524 | 18.0 |
| Patrick Carpentier | Forsythe Racing | 40.0 | +2.2 secs | 15.0 |
| Paul Tracy | Team Green | 40.0 | +2.5 secs | 5.0 |
| Kenny Bräck | Chip Ganassi Racing | 40.0 | +2.7 secs | 4.0 |
| Tony Kanaan | Mo Nunn Racing | 40.0 | +4.8 secs | 3.0 |
| Alex Tagliani | Forsythe Racing | 40.0 | +7.8 secs | 14.0 |
| Dario Franchitti | Team Green | 40.0 | +9.9 secs | 8.0 |
| Cristiano da Matta | Newman-Haas Racing | 40.0 | +12.3 secs | 1.0 |
| Michael Andretti | Team Green | 40.0 | +13.5 secs | 16.0 |
| Michel Jourdain, Jr. | Team Rahal | 40.0 | +13.6 secs | 12.0 |
| Christian Fittipaldi | Newman-Haas Racing | 40.0 | +14.8 secs | 13.0 |
| Jimmy Vasser | Team Rahal | 40.0 | +16.2 secs | 11.0 |
| Shinji Nakano | Fernández Racing | 40.0 | +17.6 secs | 7.0 |
| Bruno Junqueira | Chip Ganassi Racing | 40.0 | +18.1 secs | 2.0 |
| Scott Dixon | Chip Ganassi Racing | 24.0 | Mechanical | 6.0 |
| Oriol Servià | Patrick Racing | 11.0 | Mechanical | 9.0 |
| Adrián Fernández | Fernández Racing | 0.0 | Contact | 10.0 |
| Tora Takagi | Walker Racing | 0.0 | Contact | 17.0 |
Question:
What is the average grid for the +2.2 secs time/retired?
Answer:
15.0