Rank	Countries/Territories	Count	Percent
1	United States	804	57.2%
2	China	278	19.8%
3	Germany	76	5.4%
4	India	59	4.2%
5	Canada	23	1.6%
6	Russia	18	1.3%
7	Japan	16	1.1%
8	Latvia	15	1.1%
9	Brazil	15	1.1%
10	Korea, Republic of	13	0.9%
11	France	11	0.8%
12	Netherlands	10	0.7%
13	Australia	9	0.6%
14	Iran, Islamic Republic of	6	0.4%
15	Thailand	6	0.4%
16	Mexico	4	0.3%
17	Indonesia	4	0.3%
18	Czech Republic	4	0.3%
19	Ireland	3	0.2%
20	Palestine, State of	3	0.2%
21	South Africa	3	0.2%
22	Saudi Arabia	2	0.1%
23	Singapore	2	0.1%
24	United Kingdom	2	0.1%
25	Italy	2	0.1%
26	Norway	2	0.1%
27	Georgia	2	0.1%
28	Greece	2	0.1%
29	Hong Kong	2	0.1%
30	Cyprus	2	0.1%
31	Belgium	2	0.1%
32	Bangladesh	1	0.1%
33	Israel	1	0.1%
34	Lebanon	1	0.1%
35	Turkey	1	0.1%
36	Spain	1	0.1%