Rank	Countries/Territories	Count	Percent
1	United States	508	42.8%
2	China	329	27.7%
3	Germany	130	11%
4	Russia	28	2.4%
5	India	25	2.1%
6	France	21	1.8%
7	Netherlands	16	1.3%
8	Singapore	16	1.3%
9		13	1.1%
10	Japan	11	0.9%
11	Ireland	8	0.7%
12	Australia	8	0.7%
13	Canada	7	0.6%
14	Cyprus	6	0.5%
15	Korea, Republic of	6	0.5%
16	Philippines	5	0.4%
17	Viet Nam	5	0.4%
18	United Kingdom	4	0.3%
19	Mongolia	4	0.3%
20	Iran, Islamic Republic of	4	0.3%
21	Indonesia	3	0.3%
22	Nigeria	3	0.3%
23	North Macedonia	3	0.3%
24	Bangladesh	3	0.3%
25	Taiwan	3	0.3%
26	Ukraine	3	0.3%
27	United Arab Emirates	2	0.2%
28	South Africa	2	0.2%
29	Romania	2	0.2%
30	Algeria	2	0.2%
31	Egypt	2	0.2%
32	Georgia	1	0.1%
33	Argentina	1	0.1%
34	Pakistan	1	0.1%
35	Turkey	1	0.1%