Rank	Countries/Territories	Count	Percent
1	United States	679	36.3%
2	China	568	30.3%
3	Germany	240	12.8%
4	Japan	49	2.6%
5	India	38	2%
6		38	2%
7	Canada	34	1.8%
8	Netherlands	21	1.1%
9	France	19	1%
10	Singapore	18	1%
11	Korea, Republic of	18	1%
12	Ukraine	17	0.9%
13	United Kingdom	16	0.9%
14	Hong Kong	15	0.8%
15	Australia	9	0.5%
16	Taiwan	9	0.5%
17	Czech Republic	8	0.4%
18	Egypt	6	0.3%
19	Cyprus	6	0.3%
20	Ireland	6	0.3%
21	Mongolia	5	0.3%
22	Spain	4	0.2%
23	Kenya	4	0.2%
24	Mexico	4	0.2%
25	Romania	4	0.2%
26	Russia	4	0.2%
27	Norway	4	0.2%
28	Pakistan	4	0.2%
29	South Africa	3	0.2%
30	Iran, Islamic Republic of	3	0.2%
31	Turkey	3	0.2%
32	Viet Nam	2	0.1%
33	Greece	2	0.1%
34	Poland	2	0.1%
35	Israel	2	0.1%
36	Lithuania	1	0.1%
37	New Zealand	1	0.1%
38	Estonia	1	0.1%
39	Finland	1	0.1%
40	Belgium	1	0.1%
41	Argentina	1	0.1%
42	Sweden	1	0.1%
43	Switzerland	1	0.1%
44	Thailand	1	0.1%