Rank	Countries/Territories	Count	Percent
1	United States	409	43.1%
2	China	286	30.2%
3	Germany	111	11.7%
4	South Africa	22	2.3%
5	France	19	2%
6	Japan	13	1.4%
7	Netherlands	13	1.4%
8	Canada	11	1.2%
9	India	8	0.8%
10	Singapore	7	0.7%
11	Cyprus	6	0.6%
12	Argentina	6	0.6%
13	Australia	5	0.5%
14	Taiwan	5	0.5%
15	Russia	4	0.4%
16	Ukraine	3	0.3%
17	Spain	3	0.3%
18	Ireland	2	0.2%
19	Norway	2	0.2%
20	Poland	2	0.2%
21	Korea, Republic of	2	0.2%
22	Bangladesh	2	0.2%
23	Brazil	2	0.2%
24	Egypt	2	0.2%
25	Iran, Islamic Republic of	1	0.1%
26	Sweden	1	0.1%
27	United Kingdom	1	0.1%