Rank	Countries/Territories	Count	Percent
1	United States	325	35.9%
2	China	211	23.3%
3	Germany	54	6%
4	India	42	4.6%
5	Canada	37	4.1%
6	Singapore	33	3.6%
7	Netherlands	24	2.6%
8	Ireland	23	2.5%
9	Australia	16	1.8%
10	Indonesia	13	1.4%
11	France	13	1.4%
12	Japan	11	1.2%
13	Korea, Republic of	9	1%
14	Russia	9	1%
15	Sudan	9	1%
16	Viet Nam	7	0.8%
17	United Kingdom	6	0.7%
18	Taiwan	6	0.7%
19	Pakistan	5	0.6%
20	Portugal	4	0.4%
21	Nepal	4	0.4%
22	Israel	4	0.4%
23	Italy	4	0.4%
24	Cyprus	3	0.3%
25	Czech Republic	3	0.3%
26	Egypt	3	0.3%
27	Philippines	3	0.3%
28	Saudi Arabia	3	0.3%
29	Yemen	3	0.3%
30	Sweden	2	0.2%
31	Malaysia	2	0.2%
32	Ghana	2	0.2%
33	Greece	1	0.1%
34	Hong Kong	1	0.1%
35	Jordan	1	0.1%
36	Iran, Islamic Republic of	1	0.1%
37	Mexico	1	0.1%
38	Romania	1	0.1%
39	Serbia	1	0.1%
40	South Africa	1	0.1%
41	Thailand	1	0.1%
42	Turkey	1	0.1%
43	Ukraine	1	0.1%
44	Switzerland	1	0.1%
45	Zambia	1	0.1%