There is an attendance cap for every level, so I think you are only Level 2 and then 2500 fans is your max.

1 800
2 2,500
3 6,000
4 11,500
5 19,000
6 28,500
7 40,000
8 53,500
9 69,000
10 86,500
11 106,000
12 127,500
13 151,000
14 176,500
15 204,000
16 260,000