Iron Mine

All levels ?Romans

Lvl						?	CP?	Per hour?
1	100	80	30	60	0:00:05	+3 (3)	1	500 +300
2	165	135	50	100	0:00:09	+2 (5)	1	900 +400
3	280	225	85	165	0:00:17	+2 (7)	2	1,500 +600
4	465	375	140	280	0:00:29	+2 (9)	2	2,200 +700
5	780	620	235	465	0:00:48	+2 (11)	2	3,300 +1,100
6	1,300	1,040	390	780	0:01:19	+2 (13)	3	5,000 +1,700
7	2,170	1,735	650	1,300	0:02:08	+2 (15)	4	7,000 +2,000
8	3,625	2,900	1,085	2,175	0:03:27	+2 (17)	4	10,000 +3,000
9	6,050	4,840	1,815	3,630	0:05:33	+2 (19)	5	14,500 +4,500
10	10,105	8,080	3,030	6,060	0:08:55	+2 (21)	6	20,000 +5,500
11	16,870	13,500	5,060	10,125	0:14:18	+3 (24)	7	28,000 +8,000
12	28,175	22,540	8,455	16,905	0:22:55	+3 (27)	9	37,500 +9,500
13	47,055	37,645	14,115	28,230	0:36:42	+3 (30)	11	49,500 +12,000
14	78,580	62,865	23,575	47,150	0:58:45	+3 (33)	13	63,500 +14,000
15	131,230	104,985	39,370	78,740	1:34:01	+3 (36)	15	80,000 +16,500
16	219,155	175,320	65,745	131,490	2:30:28	+3 (39)	18	100,000 +20,000
17	365,985	292,790	109,795	219,590	4:00:47	+3 (42)	22	130,000 +30,000
18	611,195	488,955	183,360	366,715	6:25:17	+3 (45)	27	160,000 +30,000
19	1,020,695	816,555	306,210	612,420	10:16:29	+3 (48)	32	200,000 +40,000
20	1,704,565	1,363,650	511,370	1,022,740	16:26:24	+3 (51)	38	245,000 +45,000

Build times with a level 1 Main Building on this x100 world (Gold boosts and artifacts shorten them further). Population in brackets is the building's total at that level.