Rank	Countries/Territories	Count	Percent
1	United States	334	38.5%
2	China	307	35.4%
3	Germany	47	5.4%
4	France	36	4.1%
5	Hong Kong	24	2.8%
6	Canada	16	1.8%
7	Netherlands	14	1.6%
8	Japan	12	1.4%
9	Singapore	11	1.3%
10	Sweden	9	1%
11	Ethiopia	6	0.7%
12	South Africa	5	0.6%
13	Namibia	4	0.5%
14	Iran, Islamic Republic of	4	0.5%
15	Cyprus	4	0.5%
16	Argentina	3	0.3%
17	Barbados	3	0.3%
18	Belgium	3	0.3%
19	Ireland	3	0.3%
20	Italy	3	0.3%
21	United Kingdom	3	0.3%
22	Switzerland	2	0.2%
23	Ukraine	2	0.2%
24	Pakistan	2	0.2%
25	Philippines	2	0.2%
26	Korea, Republic of	2	0.2%
27	Malaysia	2	0.2%
28	Mexico	1	0.1%
29	Australia	1	0.1%
30	Colombia	1	0.1%
31	Russia	1	0.1%
32	Nigeria	1	0.1%