Rank	Countries/Territories	Count	Percent
1	United States	263	34.8%
2	China	246	32.6%
3	Germany	96	12.7%
4	India	28	3.7%
5	United Kingdom	22	2.9%
6	Japan	18	2.4%
7	Netherlands	13	1.7%
8	Ukraine	10	1.3%
9	Switzerland	6	0.8%
10	Hong Kong	6	0.8%
11	Canada	5	0.7%
12	Argentina	4	0.5%
13	Taiwan	4	0.5%
14	Poland	3	0.4%
15	Russia	3	0.4%
16	France	3	0.4%
17	Mexico	3	0.4%
18	Lithuania	2	0.3%
19	Iraq	2	0.3%
20	Australia	2	0.3%
21	Senegal	2	0.3%
22	Pakistan	2	0.3%
23	Sweden	2	0.3%
24	Thailand	2	0.3%
25	Norway	1	0.1%
26	Singapore	1	0.1%
27	Bolivia, Plurinational State of	1	0.1%
28	Bulgaria	1	0.1%
29	Cyprus	1	0.1%
30	Finland	1	0.1%
31	Italy	1	0.1%
32	Korea, Republic of	1	0.1%