Top 3 Boots's by Kernel

 Boots is the total number of host boots over
the entire lifespan.

+-----+------------------------------+-------+
| Pos |                       Kernel | Boots |
+-----+------------------------------+-------+
|  1. |          Linux 3.2.0-4-amd64 |   321 |
|  2. |  Linux 4.0.4-303.fc22.x86_64 |   103 |
|  3. |         FreeBSD 10.1-RELEASE |    76 |
+-----+------------------------------+-------+