Rank	Countries/Territories	Count	Percent
1	United States	475	36.3%
2	China	450	34.4%
3	Germany	124	9.5%
4	Japan	60	4.6%
5	Singapore	28	2.1%
6	Korea, Republic of	24	1.8%
7	India	20	1.5%
8	Canada	19	1.5%
9	France	16	1.2%
10	Netherlands	15	1.1%
11	Ireland	12	0.9%
12	United Kingdom	10	0.8%
13	Hong Kong	7	0.5%
14	Cyprus	7	0.5%
15	Latvia	5	0.4%
16	Spain	5	0.4%
17	Greece	4	0.3%
18	Argentina	4	0.3%
19	Iran, Islamic Republic of	3	0.2%
20	Lithuania	2	0.2%
21	Australia	2	0.2%
22	Switzerland	2	0.2%
23	Taiwan	2	0.2%
24	Norway	2	0.2%
25	Russia	2	0.2%
26	Turkey	2	0.2%
27	Ukraine	2	0.2%
28	Thailand	1	0.1%
29	Sweden	1	0.1%
30	Belgium	1	0.1%
31	Brazil	1	0.1%