Rank	Countries/Territories	Count	Percent
1	United States	432	35.9%
2	China	335	27.9%
3	Germany	91	7.6%
4	Japan	52	4.3%
5	France	35	2.9%
6	India	23	1.9%
7	Iran, Islamic Republic of	23	1.9%
8	Korea, Republic of	17	1.4%
9		15	1.2%
10	Norway	14	1.2%
11	Turkey	14	1.2%
12	Netherlands	13	1.1%
13	Italy	12	1%
14	Singapore	10	0.8%
15	Hong Kong	9	0.7%
16	Czech Republic	8	0.7%
17	Mexico	8	0.7%
18	Cyprus	7	0.6%
19	Ireland	7	0.6%
20	Argentina	6	0.5%
21	Slovakia	6	0.5%
22	Romania	6	0.5%
23	Russia	6	0.5%
24	Taiwan	6	0.5%
25	United Kingdom	6	0.5%
26	Canada	5	0.4%
27	Australia	4	0.3%
28	Israel	3	0.2%
29	Iraq	3	0.2%
30	New Zealand	3	0.2%
31	Spain	3	0.2%
32	Sweden	3	0.2%
33	Thailand	3	0.2%
34	Moldova, Republic of	2	0.2%
35	Mongolia	2	0.2%
36	Bangladesh	2	0.2%
37	Brazil	2	0.2%
38	Malaysia	1	0.1%
39	Philippines	1	0.1%
40	Poland	1	0.1%
41	Portugal	1	0.1%
42	South Africa	1	0.1%
43	Ukraine	1	0.1%