Rank	Countries/Territories	Count	Percent
1	United States	527	45.5%
2	China	230	19.9%
3	Germany	117	10.1%
4	India	42	3.6%
5	Canada	28	2.4%
6	France	25	2.2%
7	Japan	23	2%
8	Netherlands	22	1.9%
9	Iran, Islamic Republic of	19	1.6%
10	Italy	14	1.2%
11	Australia	14	1.2%
12	Russia	10	0.9%
13	Romania	6	0.5%
14	Singapore	6	0.5%
15	United Kingdom	6	0.5%
16	Turkey	6	0.5%
17	Brazil	5	0.4%
18	Argentina	5	0.4%
19	Cyprus	5	0.4%
20	Denmark	4	0.3%
21	Ireland	4	0.3%
22	Colombia	4	0.3%
23	Portugal	4	0.3%
24	Serbia	3	0.3%
25	Spain	3	0.3%
26	Taiwan	3	0.3%
27	Malaysia	3	0.3%
28	Bulgaria	3	0.3%
29	Hong Kong	3	0.3%
30	Ukraine	3	0.3%
31	Tunisia	2	0.2%
32	Mongolia	1	0.1%
33	New Zealand	1	0.1%
34	North Macedonia	1	0.1%
35	Kenya	1	0.1%
36	Korea, Republic of	1	0.1%
37	Lithuania	1	0.1%
38	Austria	1	0.1%
39	Belgium	1	0.1%
40	United Arab Emirates	1	0.1%