Rank	Countries/Territories	Count	Percent
1	United States	442	42.5%
2	China	341	32.8%
3	Germany	81	7.8%
4	Japan	25	2.4%
5	France	22	2.1%
6	Korea, Republic of	16	1.5%
7	Canada	15	1.4%
8	United Kingdom	11	1.1%
9	India	10	1%
10	Switzerland	9	0.9%
11	Netherlands	9	0.9%
12	Cyprus	8	0.8%
13	Italy	6	0.6%
14	Singapore	6	0.6%
15	Sweden	5	0.5%
16	Australia	5	0.5%
17	Denmark	4	0.4%
18	Argentina	3	0.3%
19	Brazil	3	0.3%
20	Turkey	3	0.3%
21	Ukraine	3	0.3%
22	Russia	2	0.2%
23	Belgium	2	0.2%
24	Iran, Islamic Republic of	2	0.2%
25	Latvia	2	0.2%
26	Malaysia	1	0.1%
27	Ireland	1	0.1%
28	Hong Kong	1	0.1%
29	Czech Republic	1	0.1%
30	Spain	1	0.1%
31	Norway	1	0.1%