Rank	Countries/Territories	Count	Percent
1	United States	244	31.4%
2	China	223	28.7%
3	Germany	44	5.7%
4	Japan	30	3.9%
5	Korea, Republic of	26	3.4%
6	India	26	3.4%
7	United Kingdom	18	2.3%
8	Canada	16	2.1%
9	Netherlands	15	1.9%
10	Hong Kong	14	1.8%
11	Belgium	13	1.7%
12	France	11	1.4%
13	Ireland	11	1.4%
14	Singapore	10	1.3%
15	Taiwan	9	1.2%
16	Spain	7	0.9%
17	Nigeria	7	0.9%
18	Thailand	5	0.6%
19	Australia	5	0.6%
20	Iran, Islamic Republic of	4	0.5%
21	Poland	4	0.5%
22	Russia	4	0.5%
23	Sweden	3	0.4%
24	Israel	3	0.4%
25	Brazil	3	0.4%
26	Cyprus	3	0.4%
27	Ecuador	3	0.4%
28	Bahrain	2	0.3%
29	Italy	2	0.3%
30	Greece	2	0.3%
31	Turkey	2	0.3%
32	Mexico	2	0.3%
33	Jordan	1	0.1%
34	Norway	1	0.1%
35	Switzerland	1	0.1%
36	Bangladesh	1	0.1%
37	Egypt	1	0.1%