cloud time recovery 
 1  0  70.6 
 2  5  52. 
 3  10  33.4 
 4  15  22.
 5  20  18.3 
 6  25  15.1 
 7  30  13. 
 8  35  10.
 9  40  9.1 
 10  45  8.3 
 11  50  7.9 
 12  55  7.7
 13  60  7.7