Rank	Countries/Territories	Count	Percent
1	United States	641	40.2%
2	China	442	27.7%
3	Germany	159	10%
4	Spain	43	2.7%
5	India	37	2.3%
6	Switzerland	23	1.4%
7	Japan	23	1.4%
8	Korea, Republic of	23	1.4%
9	France	20	1.3%
10	Australia	17	1.1%
11	Netherlands	17	1.1%
12	United Kingdom	16	1%
13	Ukraine	13	0.8%
14	Canada	12	0.8%
15	Russia	11	0.7%
16	Hong Kong	9	0.6%
17	Iran, Islamic Republic of	9	0.6%
18	Singapore	8	0.5%
19	Romania	7	0.4%
20	Taiwan	7	0.4%
21	Denmark	7	0.4%
22	Iraq	6	0.4%
23	Sweden	6	0.4%
24	Turkey	6	0.4%
25	Cyprus	5	0.3%
26	Israel	4	0.3%
27	Italy	3	0.2%
28	Ireland	2	0.1%
29	Egypt	2	0.1%
30	Finland	2	0.1%
31	Serbia	2	0.1%
32	Norway	2	0.1%
33	Malaysia	2	0.1%
34	Venezuela, Bolivarian Republic of	2	0.1%
35	Mexico	1	0.1%
36	Poland	1	0.1%
37	Qatar	1	0.1%
38	Thailand	1	0.1%
39	Bangladesh	1	0.1%
40	Bulgaria	1	0.1%
41	Indonesia	1	0.1%