postings in ncf.sigs.oop
total = 11
1997 [total = 3]
04 [total = 1]
20 = 1
03 [total = 1]
13 = 1
01 [total = 1]
10 = 1
1996 [total = 8]
12 [total = 1]
31 = 1
10 [total = 1]
01 = 1
09 [total = 2]
29 = 1
12 = 1
08 [total = 1]
06 = 1
07 [total = 1]
31 = 1
06 [total = 2]
19 = 1
05 = 1