is there a list of the training center sessions?

how are the next levels of training center sessions look like?
the only available sessions for me now is the first level (1500 stats ) 30 minutes of time
what is the next levels stats and time?

There are only 2 Levels of trainings, your now available one and the next, 3000 stats and 1hour of training.

[BenitoElCabron]

posible next round with gangupgrade function up to 100% more stats (doble stats same time) (very expensive)