Rank	Countries/Territories	Count	Percent
1	United States	604	52.5%
2	China	222	19.3%
3	Germany	86	7.5%
4	United Kingdom	59	5.1%
5	India	23	2%
6	Japan	20	1.7%
7	Australia	14	1.2%
8	Canada	13	1.1%
9	Brazil	10	0.9%
10	Hong Kong	10	0.9%
11	Korea, Republic of	8	0.7%
12	Iran, Islamic Republic of	7	0.6%
13	Singapore	7	0.6%
14	Italy	6	0.5%
15	Russia	5	0.4%
16	Turkey	5	0.4%
17	Ireland	5	0.4%
18	Israel	4	0.3%
19	Colombia	4	0.3%
20	Thailand	4	0.3%
21	Senegal	4	0.3%
22	Netherlands	4	0.3%
23	Philippines	3	0.3%
24	Taiwan	3	0.3%
25	Viet Nam	3	0.3%
26	Ukraine	2	0.2%
27	Slovenia	2	0.2%
28	France	2	0.2%
29	Argentina	2	0.2%
30	Indonesia	1	0.1%
31	Mauritius	1	0.1%
32	Mongolia	1	0.1%
33	Spain	1	0.1%
34	Sweden	1	0.1%
35	Portugal	1	0.1%
36	Nigeria	1	0.1%
37	Pakistan	1	0.1%
38	Serbia	1	0.1%