postings in ncf.set.gsc
total = 5
1997 [total = 1]
07 [total = 1]
17 = 1
1996 [total = 4]
12 [total = 1]
04 = 1
05 [total = 1]
17 = 1
04 [total = 2]
18 = 1
16 = 1