38 
Indiana U niv ersity 
TABLE VIII— Entrances and Clearances at Amsterdam from and to 
American Ports 
1783 
1784 
1785 
1786 
1787 
1788 
1789 
Total 
Pennsylvania Packet Returns — 
Entrances 
4 
3 
3 
3 
3 
16 
15 
47 
Ratios 
4 
13 
9 
14 
16 
11 
11 
14 av. 
Actual Entrances 
12 
39 
27 
42 
48 
176 
165 
658 av. 
Pennsylvania Packet Returns — 
Clearances 
15 
5 
8 
15 
30 
32 
47 
152 
Ratios 
14 
9 
3 
2 
2 
4 
4 
4 
Actual Clearances 
210 
45 
24 
30 
60 
128 
188 
608 
By this method of calculation one arrives at approximately 
the same results for the entrances and clearances at Amster- 
dam from and for America that was reached by the other 
method. 
If the results from the two methods be set side by side 
and an average taken, the calculation will appear as follows : 
TABLE IX 
1783 
1784 
1785 
1786 
1787 
1788 
1789 
Total 
for 7 
Years 
Actual Entrances at Amsterdam 
from America — • 
1st Method 
12 
52 
36 
56 
64 
135 
138 
626 
2d Method 
12 
39 
27 
42 
48 
176 
165 
658 
Average 
12 
46 
32 
49 
56 
155 
151 
641 
Actual Clearances at Amsterdam for 
America — 
1st Method 
210 
54 
18 
30 
63 
115 
185 
606 
2d Method 
210 
45 
24 
30 
60 
128 
188 
608 
Average 
210 
50 
21 
30 
62 
122 
187 
607 
If now the actual entrances and clearances for Amsterdam 
and Rotterdam be brought together the calculation will ap- 
pear as follows : 
