MTBF - KB 4190 - 3 Month Rolling Average
Month - Jan 84 - August 1987
45
1 0 0 0 4 0 0 0 3 0 3 1 5 1 3 0 1 0 3 0 3 0 2 0 1 0 3 0 5 0 5 0
2 0 1 0 0 0 0 0 1 0 1 0 0 1 1 1 0 2 1 1 0 0
1 0
0 0 1 0
1 0 0 1 1 0
1 0 2 1 1 0 0 0 0 0 0 0
0 0 0 1 0 1 0 0 1 0 0 0