Rank	Countries/Territories	Count	Percent
1	United States	372	37.4%
2	China	364	36.6%
3	Germany	93	9.3%
4	Japan	21	2.1%
5	France	18	1.8%
6	Canada	17	1.7%
7	Netherlands	12	1.2%
8	India	10	1%
9	Egypt	8	0.8%
10	Singapore	7	0.7%
11	Ukraine	7	0.7%
12	Hong Kong	6	0.6%
13	Israel	5	0.5%
14	Cyprus	5	0.5%
15	United Kingdom	5	0.5%
16	Turkey	5	0.5%
17	Mongolia	4	0.4%
18	Romania	4	0.4%
19	Bangladesh	4	0.4%
20	Ireland	3	0.3%
21	Spain	3	0.3%
22	Korea, Republic of	3	0.3%
23	Sri Lanka	2	0.2%
24	Viet Nam	2	0.2%
25	Italy	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Greece	2	0.2%
28	Australia	2	0.2%
29	Brazil	1	0.1%
30	Russia	1	0.1%
31	Sweden	1	0.1%
32	Switzerland	1	0.1%
33	Luxembourg	1	0.1%
34	Pakistan	1	0.1%
35	Philippines	1	0.1%