gains package printout improved version

Response variable has 2 levels. length of vector = 2000
I am requesting 10 groups
Why am I getting only 2?

Input of first 10
   actual predicted
1       0         0
2       0         0
3       0         0
4       0         0
5       0         0
6       0         0
7       0         0
8       0         0
9       0         0
10      1         1

R code
library(gains)
gains(actual, predicted, groups=10,
ties.method=c("average"),
conf=c("normal"), boot.reps=1000, conf.level=0.95,
optimal=FALSE,percents=TRUE)

R Output

Depth                            Cume   Cume Pct                     Mean 
 of           Cume     Resp      Resp   of Total    Lift   Cume     Model 
File     N      N      Rate      Rate      Resp    Index   Lift     Score 
--------------------------------------------------------------------------
   4    86     86    200.00%   200.00%      7.9%     183    183    200.00%
 100  1914   2000    105.22%   109.30%    100.0%      96    100    100.00%