Rank	Countries/Territories	Count	Percent
1	United States	427	37.3%
2	China	344	30.1%
3	Germany	81	7.1%
4	Japan	58	5.1%
5	France	28	2.4%
6	Korea, Republic of	20	1.7%
7	Netherlands	18	1.6%
8	Singapore	14	1.2%
9	India	14	1.2%
10	Hong Kong	13	1.1%
11	Bangladesh	10	0.9%
12	South Africa	10	0.9%
13	Italy	9	0.8%
14	Canada	8	0.7%
15	Australia	8	0.7%
16	Iran, Islamic Republic of	7	0.6%
17	Taiwan	7	0.6%
18	Spain	6	0.5%
19	Ireland	6	0.5%
20	Cyprus	6	0.5%
21	Russia	6	0.5%
22	Turkey	5	0.4%
23	Austria	5	0.4%
24	Guatemala	4	0.3%
25	Lithuania	4	0.3%
26	Sweden	3	0.3%
27	Peru	3	0.3%
28	Indonesia	3	0.3%
29	Tanzania, United Republic of	2	0.2%
30	New Zealand	2	0.2%
31	Palestine, State of	2	0.2%
32	United Kingdom	2	0.2%
33	Ukraine	1	0.1%
34	Kazakhstan	1	0.1%
35	Malaysia	1	0.1%
36	Mexico	1	0.1%
37	Mongolia	1	0.1%
38	Thailand	1	0.1%
39	Poland	1	0.1%
40	Romania	1	0.1%
41	Argentina	1	0.1%