Rank	Countries/Territories	Count	Percent
1	United States	409	35%
2	China	379	32.4%
3	Germany	96	8.2%
4	India	49	4.2%
5	France	42	3.6%
6	Canada	26	2.2%
7	Hong Kong	24	2.1%
8	Netherlands	18	1.5%
9	Japan	15	1.3%
10	Singapore	13	1.1%
11	Sweden	9	0.8%
12	South Africa	8	0.7%
13	Russia	8	0.7%
14	Cyprus	6	0.5%
15	Ethiopia	6	0.5%
16	Guatemala	5	0.4%
17	Australia	5	0.4%
18	Switzerland	5	0.4%
19	Namibia	4	0.3%
20	Iran, Islamic Republic of	4	0.3%
21	Ireland	3	0.3%
22	Italy	3	0.3%
23	Bangladesh	3	0.3%
24	Barbados	3	0.3%
25	Belgium	3	0.3%
26	Argentina	3	0.3%
27	United Kingdom	3	0.3%
28	Indonesia	2	0.2%
29	Korea, Republic of	2	0.2%
30	Malaysia	2	0.2%
31	Pakistan	2	0.2%
32	Palestine, State of	2	0.2%
33	Philippines	2	0.2%
34	Ukraine	2	0.2%
35	Mexico	1	0.1%
36	Nigeria	1	0.1%
37	Colombia	1	0.1%