Rank	Countries/Territories	Count	Percent
1	United States	397	38%
2	China	245	23.4%
3	Germany	55	5.3%
4	India	46	4.4%
5	Canada	38	3.6%
6	Singapore	33	3.2%
7	Netherlands	31	3%
8	Ireland	24	2.3%
9	Australia	17	1.6%
10	Indonesia	14	1.3%
11	France	14	1.3%
12	Japan	12	1.1%
13	Russia	11	1.1%
14	Sudan	11	1.1%
15	Korea, Republic of	9	0.9%
16	United Kingdom	8	0.8%
17	Viet Nam	7	0.7%
18	Pakistan	7	0.7%
19	Taiwan	6	0.6%
20	Saudi Arabia	4	0.4%
21	Portugal	4	0.4%
22	Nepal	4	0.4%
23	Israel	4	0.4%
24	Italy	4	0.4%
25	Ghana	4	0.4%
26	Cyprus	3	0.3%
27	Czech Republic	3	0.3%
28	Egypt	3	0.3%
29	Iran, Islamic Republic of	3	0.3%
30	Philippines	3	0.3%
31	Yemen	3	0.3%
32	Ukraine	2	0.2%
33	Romania	2	0.2%
34	Malaysia	2	0.2%
35	Sweden	2	0.2%
36	Switzerland	2	0.2%
37	Thailand	1	0.1%
38	Turkey	1	0.1%
39	Serbia	1	0.1%
40	South Africa	1	0.1%
41	Mexico	1	0.1%
42	Jordan	1	0.1%
43	Greece	1	0.1%
44	Hong Kong	1	0.1%
45	Zambia	1	0.1%