+------------+-------+
| date       | ramp% |
+------------+-------+
| 01-01-2016 |  5%   |
| 03-01-2016 |  20%  |
| 07-01-2016 |  50%  |
+------------+-------+

+------------+-------+
| date       | ramp% |
+------------+-------+
| 01-01-2016 | 5%    |
| 02-01-2016 | 5%    |
| 03-01-2016 | 20%   |
| 04-01-2016 | 20%   |
| 05-01-2016 | 20%   |
| 06-01-2016 | 20%   |
| 07-01-2016 | 50%   |
+------------+-------+