Rank	Countries/Territories	Count	Percent
1	United States	508	37.5%
2	China	474	35%
3	Germany	131	9.7%
4	France	32	2.4%
5	Japan	21	1.5%
6	Netherlands	21	1.5%
7	Russia	17	1.3%
8	India	15	1.1%
9	Canada	14	1%
10	Sweden	14	1%
11	Italy	13	1%
12	Spain	12	0.9%
13	Pakistan	9	0.7%
14	Singapore	8	0.6%
15	Korea, Republic of	7	0.5%
16	Ireland	6	0.4%
17	Slovakia	6	0.4%
18	Portugal	5	0.4%
19	Chile	4	0.3%
20	Australia	4	0.3%
21	Hungary	4	0.3%
22	Cyprus	4	0.3%
23	United Kingdom	4	0.3%
24	Argentina	3	0.2%
25	South Africa	3	0.2%
26	Viet Nam	2	0.1%
27	Saudi Arabia	2	0.1%
28	Bangladesh	2	0.1%
29	Ecuador	2	0.1%
30	Hong Kong	2	0.1%
31	Iran, Islamic Republic of	2	0.1%
32	Belgium	1	0.1%
33	Algeria	1	0.1%
34	Austria	1	0.1%
35	Poland	1	0.1%
36	Switzerland	1	0.1%