Rank	Countries/Territories	Count	Percent
1	United States	645	38.8%
2	China	573	34.4%
3	Germany	124	7.5%
4	France	76	4.6%
5	Japan	26	1.6%
6	United Kingdom	26	1.6%
7	India	18	1.1%
8	Singapore	15	0.9%
9	Switzerland	15	0.9%
10	Russia	14	0.8%
11	Canada	14	0.8%
12	Netherlands	12	0.7%
13	Romania	10	0.6%
14	Korea, Republic of	9	0.5%
15	Cyprus	9	0.5%
16	Brazil	8	0.5%
17	Taiwan	8	0.5%
18	Hong Kong	7	0.4%
19	Viet Nam	6	0.4%
20	Ghana	5	0.3%
21	Australia	4	0.2%
22	Thailand	4	0.2%
23	Turkey	4	0.2%
24	Philippines	4	0.2%
25	Mongolia	4	0.2%
26	Malaysia	3	0.2%
27	Egypt	3	0.2%
28	Indonesia	3	0.2%
29	Ireland	3	0.2%
30	Argentina	2	0.1%
31	Nigeria	2	0.1%
32	New Zealand	1	0.1%
33	Mexico	1	0.1%
34	Qatar	1	0.1%
35	Ukraine	1	0.1%
36	United Arab Emirates	1	0.1%
37	Bangladesh	1	0.1%
38	Bulgaria	1	0.1%
39	Israel	1	0.1%