Rank	Countries/Territories	Count	Percent
1	United States	477	38.7%
2	China	414	33.6%
3	Germany	97	7.9%
4	Japan	45	3.6%
5	France	33	2.7%
6	Canada	27	2.2%
7	Netherlands	23	1.9%
8	Mexico	11	0.9%
9	Egypt	11	0.9%
10	India	10	0.8%
11	Korea, Republic of	9	0.7%
12	Bangladesh	8	0.6%
13	Singapore	7	0.6%
14	Ireland	6	0.5%
15	Russia	6	0.5%
16	Bulgaria	5	0.4%
17	Indonesia	5	0.4%
18	United Kingdom	5	0.4%
19	Iran, Islamic Republic of	4	0.3%
20	Pakistan	4	0.3%
21	Cyprus	3	0.2%
22	Brazil	2	0.2%
23	Australia	2	0.2%
24	Luxembourg	2	0.2%
25	South Africa	2	0.2%
26	Poland	2	0.2%
27	Serbia	2	0.2%
28	Taiwan	2	0.2%
29	Ukraine	2	0.2%
30	Viet Nam	1	0.1%
31	Spain	1	0.1%
32	Philippines	1	0.1%
33	Saudi Arabia	1	0.1%
34	Nigeria	1	0.1%
35	Hungary	1	0.1%
36	Bahrain	1	0.1%