Rank	Countries/Territories	Count	Percent
1	United States	344	42%
2	Germany	160	19.5%
3	China	90	11%
4	Canada	34	4.2%
5	France	31	3.8%
6	Netherlands	16	2%
7	Iran, Islamic Republic of	14	1.7%
8	Switzerland	13	1.6%
9	Japan	12	1.5%
10	India	11	1.3%
11	Turkey	10	1.2%
12	Pakistan	9	1.1%
13	Ireland	7	0.9%
14	Cyprus	7	0.9%
15	Bulgaria	5	0.6%
16	Viet Nam	5	0.6%
17	Thailand	4	0.5%
18	United Kingdom	4	0.5%
19	Korea, Republic of	4	0.5%
20	Australia	3	0.4%
21	Azerbaijan	3	0.4%
22	Georgia	3	0.4%
23	Russia	3	0.4%
24	Spain	3	0.4%
25	Ukraine	3	0.4%
26	Uzbekistan	2	0.2%
27	Sweden	2	0.2%
28	Singapore	2	0.2%
29	South Africa	2	0.2%
30	Mauritius	2	0.2%
31	Mongolia	2	0.2%
32	Nigeria	2	0.2%
33	North Macedonia	1	0.1%
34	New Zealand	1	0.1%
35	Taiwan	1	0.1%
36	Argentina	1	0.1%
37	Kuwait	1	0.1%
38	Lithuania	1	0.1%
39	Honduras	1	0.1%