Rank	Countries/Territories	Count	Percent
1	United States	434	38.8%
2	China	376	33.6%
3	Germany	83	7.4%
4	France	16	1.4%
5	Japan	14	1.3%
6	United Kingdom	14	1.3%
7	Netherlands	13	1.2%
8	Russia	13	1.2%
9	Ireland	12	1.1%
10	Canada	11	1%
11	Australia	11	1%
12	Iran, Islamic Republic of	11	1%
13	Indonesia	10	0.9%
14	India	9	0.8%
15	Belgium	9	0.8%
16	Albania	8	0.7%
17	Egypt	8	0.7%
18	Cyprus	7	0.6%
19	Bahrain	6	0.5%
20	Korea, Republic of	6	0.5%
21	Singapore	6	0.5%
22	Tunisia	6	0.5%
23	Costa Rica	5	0.4%
24	Spain	4	0.4%
25	Pakistan	4	0.4%
26	Turkey	4	0.4%
27	South Africa	3	0.3%
28	Romania	2	0.2%
29	Kuwait	2	0.2%
30	Hong Kong	2	0.2%
31	Ecuador	1	0.1%
32	Bulgaria	1	0.1%
33	Latvia	1	0.1%
34	Mauritius	1	0.1%
35	Italy	1	0.1%
36	Norway	1	0.1%
37	Saudi Arabia	1	0.1%
38	Serbia	1	0.1%
39	Thailand	1	0.1%