Rank	Countries/Territories	Count	Percent
1	United States	479	42.7%
2	China	323	28.8%
3	Germany	100	8.9%
4	Korea, Republic of	23	2%
5	Japan	22	2%
6	France	18	1.6%
7	Egypt	14	1.2%
8	Singapore	14	1.2%
9	Netherlands	13	1.2%
10	Canada	12	1.1%
11	Iran, Islamic Republic of	12	1.1%
12	United Kingdom	12	1.1%
13	India	9	0.8%
14	Russia	9	0.8%
15	Cyprus	7	0.6%
16	Australia	6	0.5%
17	Switzerland	6	0.5%
18	Spain	4	0.4%
19	Qatar	4	0.4%
20	Brazil	4	0.4%
21	Hong Kong	4	0.4%
22	Palestine, State of	3	0.3%
23	Malaysia	2	0.2%
24	Thailand	2	0.2%
25	Viet Nam	2	0.2%
26	Ireland	2	0.2%
27	Israel	2	0.2%
28	Argentina	2	0.2%
29	Austria	2	0.2%
30	Finland	2	0.2%
31	Czech Republic	1	0.1%
32	Hungary	1	0.1%
33	Greece	1	0.1%
34	Sweden	1	0.1%
35	Saudi Arabia	1	0.1%
36	Mexico	1	0.1%
37	Nigeria	1	0.1%
38	Norway	1	0.1%