Rank	Countries/Territories	Count	Percent
1	United States	360	41.4%
2	China	254	29.2%
3	Germany	138	15.9%
4	Canada	24	2.8%
5	Korea, Republic of	12	1.4%
6	France	9	1%
7	Brazil	8	0.9%
8	Cyprus	7	0.8%
9	Netherlands	5	0.6%
10	Ireland	5	0.6%
11	India	5	0.6%
12	United Kingdom	5	0.6%
13	Russia	4	0.5%
14	Hong Kong	4	0.5%
15	Japan	4	0.5%
16	Singapore	3	0.3%
17	Ukraine	2	0.2%
18	Togo	2	0.2%
19	Philippines	2	0.2%
20	Indonesia	2	0.2%
21	Iran, Islamic Republic of	2	0.2%
22	Czech Republic	2	0.2%
23	Australia	2	0.2%
24	Belgium	2	0.2%
25	Georgia	1	0.1%
26	Turkey	1	0.1%
27	Slovakia	1	0.1%
28	South Africa	1	0.1%
29	Spain	1	0.1%
30	Sweden	1	0.1%