Rank	Countries/Territories	Count	Percent
1	United States	474	38.3%
2	China	388	31.3%
3	Germany	83	6.7%
4	Japan	57	4.6%
5	Russia	35	2.8%
6	Iran, Islamic Republic of	22	1.8%
7	Hong Kong	20	1.6%
8	France	20	1.6%
9	Canada	17	1.4%
10	Korea, Republic of	17	1.4%
11	Singapore	14	1.1%
12	Netherlands	11	0.9%
13	Thailand	10	0.8%
14	India	6	0.5%
15	Switzerland	6	0.5%
16	Cyprus	5	0.4%
17	Australia	5	0.4%
18	Sweden	5	0.4%
19	South Africa	4	0.3%
20	Bulgaria	4	0.3%
21	Ireland	4	0.3%
22	Argentina	3	0.2%
23	Norway	3	0.2%
24	Ukraine	3	0.2%
25	United Kingdom	2	0.2%
26	Nigeria	2	0.2%
27	Macao	2	0.2%
28	Malaysia	2	0.2%
29	Spain	2	0.2%
30	Italy	2	0.2%
31	Egypt	2	0.2%
32	Ghana	2	0.2%
33	Israel	1	0.1%
34	Ethiopia	1	0.1%
35	Ecuador	1	0.1%
36	Belgium	1	0.1%
37	Turkey	1	0.1%
38	Mexico	1	0.1%
39	Portugal	1	0.1%