block  launched  operational  not usable  retired  launch failures
0     block i        11            0           0       10                1
1    block ii         9            0           0        9                0
2   block iia        19            8           1       10                0
3   block iir        13           12           0        0                1
4  block iirm         8            7           0        1                0
5   block iif         4            4           0        0                0
6       total        64           31           1       30                2

Table as JSON:
{"block":{"0":"block i","1":"block ii","2":"block iia","3":"block iir","4":"block iirm","5":"block iif","6":"total"},"launched":{"0":11,"1":9,"2":19,"3":13,"4":8,"5":4,"6":64},"operational":{"0":0,"1":0,"2":8,"3":12,"4":7,"5":4,"6":31},"not usable":{"0":0,"1":0,"2":1,"3":0,"4":0,"5":0,"6":1},"retired":{"0":10,"1":9,"2":10,"3":0,"4":1,"5":0,"6":30},"launch failures":{"0":1,"1":0,"2":0,"3":1,"4":0,"5":0,"6":2}}