Mount Kilimanjaro is approximately 5900 m above sea level.

| Height (m) | Atmospheric Pressure (kPa) |
|---|---|
| 0 | 101 |
| 1000 | 90 |
| 2000 | 80 |
| 3000 | 70 |
| 4000 | 62 |
| 5000 | 54 |
| 6000 | 47 |
| 7000 | 41 |
| 8000 | 35 |
Using the data, estimate the atmospheric pressure at the summit of Mount Kilimanjaro.