Rank	Countries/Territories	Count	Percent
1	United States	608	39.1%
2	China	534	34.3%
3	Germany	114	7.3%
4	France	59	3.8%
5	United Kingdom	26	1.7%
6	Japan	24	1.5%
7	India	18	1.2%
8	Singapore	15	1%
9	Switzerland	15	1%
10	Russia	14	0.9%
11	Canada	14	0.9%
12	Netherlands	12	0.8%
13	Romania	10	0.6%
14	Cyprus	9	0.6%
15	Korea, Republic of	9	0.6%
16	Brazil	8	0.5%
17	Taiwan	8	0.5%
18	Viet Nam	6	0.4%
19	Ghana	5	0.3%
20	Hong Kong	4	0.3%
21	Mongolia	4	0.3%
22	Philippines	4	0.3%
23	Thailand	4	0.3%
24	Turkey	4	0.3%
25	Australia	4	0.3%
26	Egypt	3	0.2%
27	Malaysia	3	0.2%
28	Indonesia	3	0.2%
29	Ireland	3	0.2%
30	Argentina	2	0.1%
31	Nigeria	2	0.1%
32	Ukraine	1	0.1%
33	United Arab Emirates	1	0.1%
34	Qatar	1	0.1%
35	New Zealand	1	0.1%
36	Bangladesh	1	0.1%
37	Bulgaria	1	0.1%
38	Israel	1	0.1%
39	Mexico	1	0.1%