Rank	Countries/Territories	Count	Percent
1	United States	394	37.2%
2	China	341	32.2%
3	Germany	105	9.9%
4	France	38	3.6%
5	Japan	29	2.7%
6	United Kingdom	19	1.8%
7	Canada	15	1.4%
8	Ukraine	12	1.1%
9	Australia	10	0.9%
10	Netherlands	10	0.9%
11	India	9	0.8%
12	Iran, Islamic Republic of	8	0.8%
13	Switzerland	8	0.8%
14	Singapore	6	0.6%
15	Sweden	6	0.6%
16	Cyprus	6	0.6%
17	Italy	5	0.5%
18	Spain	5	0.5%
19	Taiwan	5	0.5%
20	Russia	5	0.5%
21	Poland	4	0.4%
22	Hong Kong	4	0.4%
23	Egypt	3	0.3%
24	Belgium	3	0.3%
25	Romania	3	0.3%
26	Korea, Republic of	2	0.2%
27	Malaysia	2	0.2%
28	Mexico	1	0.1%
29	Norway	1	0.1%
30	Argentina	1	0.1%