Rank	Countries/Territories	Count	Percent
1	United States	423	35%
2	China	326	27%
3	Germany	82	6.8%
4	India	60	5%
5	Korea, Republic of	40	3.3%
6	Japan	39	3.2%
7	United Kingdom	24	2%
8	Ireland	22	1.8%
9	Netherlands	18	1.5%
10	Ukraine	16	1.3%
11	Sweden	14	1.2%
12	Indonesia	14	1.2%
13	Hong Kong	12	1%
14	Australia	12	1%
15	Canada	10	0.8%
16	Mexico	9	0.7%
17	Senegal	7	0.6%
18	Switzerland	6	0.5%
19	Peru	6	0.5%
20	Brazil	6	0.5%
21	Cyprus	6	0.5%
22	Denmark	6	0.5%
23	Singapore	5	0.4%
24	South Africa	4	0.3%
25	Philippines	4	0.3%
26	Israel	4	0.3%
27	Iran, Islamic Republic of	3	0.2%
28	Romania	3	0.2%
29	Qatar	2	0.2%
30	Spain	2	0.2%
31	Poland	2	0.2%
32	Taiwan	2	0.2%
33	Tanzania, United Republic of	2	0.2%
34	Serbia	2	0.2%
35	United Arab Emirates	1	0.1%
36	Thailand	1	0.1%
37	Portugal	1	0.1%
38	Luxembourg	1	0.1%
39	Malaysia	1	0.1%
40	Sri Lanka	1	0.1%
41	Norway	1	0.1%
42	Oman	1	0.1%
43	Hungary	1	0.1%
44	Colombia	1	0.1%
45	Ethiopia	1	0.1%
46	France	1	0.1%
47	Bulgaria	1	0.1%
48	Argentina	1	0.1%