Rank	Countries/Territories	Count	Percent
1	United States	371	35.1%
2	China	344	32.5%
3	Germany	99	9.4%
4	Japan	41	3.9%
5	France	36	3.4%
6	Iran, Islamic Republic of	16	1.5%
7	Sweden	13	1.2%
8	Korea, Republic of	12	1.1%
9	India	12	1.1%
10	United Kingdom	10	0.9%
11	Taiwan	9	0.9%
12	Singapore	8	0.8%
13	Spain	8	0.8%
14	Italy	7	0.7%
15	Cyprus	7	0.7%
16	Australia	6	0.6%
17	Hungary	6	0.6%
18	Russia	6	0.6%
19	Netherlands	6	0.6%
20	Ireland	4	0.4%
21	Canada	4	0.4%
22	Hong Kong	3	0.3%
23	Argentina	3	0.3%
24	Armenia	3	0.3%
25	South Africa	3	0.3%
26	Pakistan	3	0.3%
27	Malaysia	2	0.2%
28	Bangladesh	2	0.2%
29	Egypt	2	0.2%
30	Colombia	2	0.2%
31	Turkey	2	0.2%
32	Switzerland	1	0.1%
33	Indonesia	1	0.1%
34	Ghana	1	0.1%
35	Mexico	1	0.1%
36	Poland	1	0.1%
37	Romania	1	0.1%
38	Serbia	1	0.1%