sqlite> select price, avg(downloads) from fakeapps group by price;
0.0|15762.2602739726
0.99|15971.511627907
1.99|16952.5952380952
2.99|17725.380952381
3.99|18741.6666666667
14.99|19368.5833333333
0.0
6|17193.0