Rank	Countries/Territories	Count	Percent
1	United States	632	50.5%
2	China	258	20.6%
3	Germany	124	9.9%
4	France	42	3.4%
5	Netherlands	25	2%
6	Japan	18	1.4%
7	Singapore	15	1.2%
8	Russia	11	0.9%
9	Korea, Republic of	11	0.9%
10	Canada	10	0.8%
11	Cyprus	9	0.7%
12	Ireland	9	0.7%
13	Ukraine	8	0.6%
14	United Kingdom	7	0.6%
15	Hong Kong	7	0.6%
16	South Africa	6	0.5%
17	Iran, Islamic Republic of	5	0.4%
18	India	5	0.4%
19	Australia	4	0.3%
20	Poland	4	0.3%
21	Norway	3	0.2%
22	Spain	3	0.2%
23	Sweden	3	0.2%
24	Switzerland	3	0.2%
25	Slovakia	3	0.2%
26	Israel	3	0.2%
27	Italy	3	0.2%
28	Kazakhstan	2	0.2%
29	Greece	2	0.2%
30	Bangladesh	2	0.2%
31	Brazil	2	0.2%
32	Armenia	2	0.2%
33	Saudi Arabia	2	0.2%
34	Pakistan	2	0.2%
35	Latvia	2	0.2%
36	Lithuania	2	0.2%
37	Malaysia	1	0.1%
38	Argentina	1	0.1%
39	Indonesia	1	0.1%