Rank	Countries/Territories	Count	Percent
1	United States	219	45.8%
2	China	99	20.7%
3	Germany	39	8.2%
4	Korea, Republic of	20	4.2%
5	France	11	2.3%
6	Japan	11	2.3%
7	Netherlands	8	1.7%
8	Singapore	5	1%
9	Switzerland	5	1%
10	Romania	5	1%
11	United Kingdom	4	0.8%
12	Poland	4	0.8%
13	Bulgaria	4	0.8%
14	Cyprus	3	0.6%
15	Hong Kong	3	0.6%
16	Israel	3	0.6%
17	Peru	2	0.4%
18	Philippines	2	0.4%
19	Libya	2	0.4%
20	Lithuania	2	0.4%
21	Syrian Arab Republic	2	0.4%
22	South Africa	2	0.4%
23	Ireland	2	0.4%
24	Argentina	2	0.4%
25	Australia	2	0.4%
26	Bangladesh	2	0.4%
27	Russia	2	0.4%
28	Viet Nam	1	0.2%
29	Brazil	1	0.2%
30	Canada	1	0.2%
31	Kenya	1	0.2%
32	Hungary	1	0.2%
33	India	1	0.2%
34	Iran, Islamic Republic of	1	0.2%
35	Spain	1	0.2%
36	Sweden	1	0.2%
37	Taiwan	1	0.2%
38	Ukraine	1	0.2%
39	Norway	1	0.2%
40	Pakistan	1	0.2%