For example , if we compare the annual growth rates of mail volume for period 1993-97 shown in Column ( 11 ) of Tables 1 and 4 we can see ( a ) the 2.0 percent annual decrease of total HH-to-HH volume in Table 1 has been augmented to a 3.3 percent annual decrease of per-household volume in Table 4 ; ( b ) the 6.8 percent annual decrease of total HH-to-NHH volume in Table 1 has been augmented to a 8.0 percent annual decrease of per-household volume in Table 4 ; ( c ) the 0.2 percent annual increase of total NHH-to-HH volume in Table 1 has shrunk to a 1.2 percent annual decrease of per-household volume in Table 4 ; and ( d ) the 7.1 percent annual increase of total NHH-to-NHH volume in Table 1 has shrunk to a 5.7 percent annual increase of per-household volume in Table 4 .
Annual growth rates are shown in column 11 of tables 1 and 4 .