Acquisitions by decade (non-cumulative)
| Africa |
Americas |
Asia |
Australia |
Europe |
Oceania |
Global |
|
| 1880s |
2,600 |
3,425 |
5,323 |
652 |
11,100 |
2,144 |
25,234 |
| 1890s |
2,118 |
1,489 |
6,499 |
383 |
3,363 |
2,279 |
15,966 |
| 1900s |
5,082 |
1,109 |
5,294 |
840 |
3,219 |
2,362 |
17,749 |
| 1910s |
6,290 |
2,844 |
4,003 |
2,310 |
6,631 |
2,756 |
24,725 |
| 1920s |
8,329 |
3,563 |
8,895 |
364 |
7,285 |
2,561 |
31,102 |
| 1930s |
10,180 |
2,090 |
6,828 |
13,567 |
4,947 |
4,099 |
41,671 |
| 1940 - 1945 |
12,475 |
1,202 |
3,266 |
347 |
4,915 |
877 |
23,029 |
Acquisition by decade (cumulative)
| Africa |
Americas |
Asia |
Australia |
Europe |
Oceania |
|
| 1880s |
2,600 |
3,425 |
5323 |
652 |
11,100 |
2,144 |
| 1890s |
4,718 |
4,914 |
11,822 |
1,035 |
14,463 |
4,423 |
| 1900s |
9,800 |
6,023 |
17,116 |
1,875 |
17,682 |
6,785 |
| 1910s |
16,090 |
8,867 |
21,119 |
4,185 |
24,313 |
9,541 |
| 1920s |
24,419 |
12,430 |
30,014 |
4,549 |
31,598 |
12,102 |
| 1930s |
34,599 |
14,520 |
36,842 |
18,116 |
36,545 |
16,201 |
| 1940 - 1945 |
47,074 |
15,722 |
40,108 |
18,463 |
41,460 |
17,078 |
