In the Stable calvary is trained. The higher the level the faster troops are trained.

Level	Construction	Technology	Food	Lumber	Stone	Iron	Gold	Time
1	Farm 5	none	1,200	2,000	800	1,000	0	4m 30s
2			2,400	4,000	1,600	2,000	0
3			4,800	8,000	3,200	4,000	0
4	Farm Level 5	none	9,600	16,000	6,400	8,000	0
5
6
7
8
9
9