[CentOS] sysstat out put

Hello

in our Sysstat output we have the following lines,
any one knows what does it mean ?

00:00:01     CPU   i000/s  i008/s  i009/s  i014/s  i066/s  i074/s  
i082/s  i090/s
01:20:01       0      248.09    0.00    0.00    0.00    0.00    0.00    
0.04   91.06
01:20:01       1     255.06    0.00    0.00    4.59    0.00    0.00    
0.09    0.00
01:20:01       2     245.37    0.00    0.00    4.41    0.00    0.00    
0.11    0.00
01:20:01       3     272.07    0.00    0.00    0.15    0.00    0.00    
0.12    0.00
01:30:01       0     255.40    0.00    0.00    0.00    0.00    0.00    
0.07   11.92
01:30:01       1     255.05    0.00    0.00    4.56    0.00    0.00    
0.00    0.00
01:30:01       2     255.06    0.00    0.00    4.56    0.00    0.00    
0.23    0.00
01:30:01       3    255.05    0.00    0.00    0.00    0.00    0.00    
0.12    0.00

Thanks for help