Where do you get this data?
Here is the data I see. A trend in the tables is apparent.
Source: NCAA 2023 financial statements provided by B1G public universities
Rank School Profit (Deficit)
Football
1 Michigan $74,921,582
2 Ohio State $54,972,839
3 Nebraska $50,004,092
4 Penn State $46,887,319
5 Iowa $41,955,461
6 Wisconsin $39,864,850
7 Michigan State $36,506,832
8 Illinois $35,342,162
9 Minnesota $35,020,493
10 Purdue $28,227,817
11 Indiana $27,520,615
12 Maryland $24,015,362
13 Rutgers ($26,825,880)
Men's basketball
1 Illinois $13,973,196
2 Indiana $9,900,555
3 Ohio State $9,671,176
4 Michigan $8,804,099
5 Minnesota $8,796,453
6 Michigan State $8,196,713
7 Wisconsin $7,162,017
8 Nebraska $7,093,068
9 Purdue $5,816,893
10 Iowa $4,290,935
11 Maryland $3,028,295
12 Penn State $385,387
13 Rutgers ($7,981,530)
Women's basketball
1 Purdue ($3,274,678)
2 Nebraska ($3,449,799)
3 Wisconsin ($3,586,130)
4 Penn State ($4,208,675)
5 Iowa ($4,406,873)
6 Illinois ($4,477,965)
7 Michigan ($4,635,834)
8 Minnesota ($4,995,844)
9 Ohio State ($5,282,421)
10 Michigan State ($5,542,316)
11 Indiana ($5,760,773)
12 Maryland ($6,422,567)
13 Rutgers ($7,139,644)