Rank	Countries/Territories	Count	Percent
1	United States	635	38.2%
2	China	522	31.4%
3	Germany	140	8.4%
4	India	47	2.8%
5	Sweden	36	2.2%
6	Korea, Republic of	32	1.9%
7	Japan	29	1.7%
8	Singapore	23	1.4%
9	France	21	1.3%
10	Canada	20	1.2%
11	Netherlands	17	1%
12	Egypt	14	0.8%
13	Iran, Islamic Republic of	13	0.8%
14	United Kingdom	13	0.8%
15	Norway	9	0.5%
16	Russia	9	0.5%
17	Cyprus	8	0.5%
18	Australia	8	0.5%
19	Switzerland	6	0.4%
20	Argentina	5	0.3%
21	Ireland	5	0.3%
22	Brazil	4	0.2%
23	Spain	4	0.2%
24	Hong Kong	4	0.2%
25	Qatar	4	0.2%
26	Viet Nam	4	0.2%
27	Pakistan	3	0.2%
28	Palestine, State of	3	0.2%
29	Mongolia	2	0.1%
30	Malaysia	2	0.1%
31	Austria	2	0.1%
32	Finland	2	0.1%
33	Israel	2	0.1%
34	Greece	2	0.1%
35	Thailand	2	0.1%
36	Turkey	2	0.1%
37	Ukraine	2	0.1%
38	Czech Republic	1	0.1%
39	Bangladesh	1	0.1%
40	Mexico	1	0.1%
41	Hungary	1	0.1%
42	Latvia	1	0.1%
43	New Zealand	1	0.1%
44	Nigeria	1	0.1%
45	Saudi Arabia	1	0.1%