This drop in payment mail volume accounts for 69 percent of the decline in the volume of HH-to-NHH sector, amounted to 3.6 billion pieces between 1990 and 1997 (see Table 1).
261357
This drop in payment mail volume amounted to 3.6 billion pieces.
261358
This drop in payment mail volume accounts for 4 percent of the decline in the volume.