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:
| Level | Shuttles | Cumulative Shuttles | Speed (km/h) | Shuttle Time (seconds) | Total level time (s) | Distance (m) | Cumulative Distance (m) | Cumulative Time (min and seconds) |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1.0 | 7.0 | 7.0 | 8.0 | 9.00 | 63.00 | 140.0 | 140.0 | 1:03 |
| 2.0 | 8.0 | 15.0 | 9.0 | 8.00 | 64.00 | 160.0 | 300.0 | 2:07 |
| 3.0 | 8.0 | 23.0 | 9.5 | 7.58 | 60.63 | 160.0 | 460.0 | 3:08 |
| 4.0 | 9.0 | 32.0 | 10.0 | 7.20 | 64.80 | 180.0 | 640.0 | 4:12 |
| 5.0 | 9.0 | 41.0 | 10.5 | 6.86 | 61.71 | 180.0 | 820.0 | 5:14 |
| 6.0 | 10.0 | 51.0 | 11.0 | 6.55 | 65.50 | 200.0 | 1020.0 | 6:20 |
| 7.0 | 10.0 | 61.0 | 11.5 | 6.26 | 62.61 | 200.0 | 1220.0 | 7:22 |
| 8.0 | 11.0 | 72.0 | 12.0 | 6.00 | 66.00 | 220.0 | 1440.0 | 8:28 |
| 9.0 | 11.0 | 83.0 | 12.5 | 5.76 | 63.36 | 220.0 | 1660.0 | 9:31 |
| 10.0 | 11.0 | 94.0 | 13.0 | 5.54 | 60.92 | 220.0 | 1880.0 | 10:32 |
| 11.0 | 12.0 | 106.0 | 13.5 | 5.33 | 64.00 | 240.0 | 2120.0 | 11:36 |
| 12.0 | 12.0 | 118.0 | 14.0 | 5.14 | 61.71 | 240.0 | 2360.0 | 12:38 |
| 13.0 | 13.0 | 131.0 | 14.5 | 4.97 | 64.55 | 260.0 | 2620.0 | 13:43 |
| 14.0 | 13.0 | 144.0 | 15.0 | 4.80 | 62.40 | 260.0 | 2880.0 | 14:45 |
| 15.0 | 13.0 | 157.0 | 15.5 | 4.65 | 60.39 | 260.0 | 3140.0 | 15:46 |
| 16.0 | 14.0 | 171.0 | 16.0 | 4.50 | 63.00 | 280.0 | 3420.0 | 16:49 |
| 17.0 | 14.0 | 185.0 | 16.5 | 4.36 | 61.09 | 280.0 | 3700.0 | 17:50 |
| 18.0 | 15.0 | 200.0 | 17.0 | 4.24 | 63.53 | 300.0 | 4000.0 | 18:54 |
| 19.0 | 15.0 | 215.0 | 17.5 | 4.11 | 61.71 | 300.0 | 4300.0 | 19:56 |
| 20.0 | 16.0 | 231.0 | 18.0 | 4.00 | 64.00 | 320.0 | 4620.0 | 21:00 |
Question:
What is the highest possible level?
Answer:
20.0