Rank	Countries/Territories	Count	Percent
1	United States	479	37.7%
2	China	238	18.7%
3	Germany	128	10.1%
4	United Kingdom	109	8.6%
5	Korea, Republic of	54	4.2%
6	Netherlands	29	2.3%
7	Japan	28	2.2%
8	Canada	24	1.9%
9	France	15	1.2%
10	Russia	15	1.2%
11	Taiwan	15	1.2%
12	India	14	1.1%
13	Italy	12	0.9%
14	Singapore	9	0.7%
15	Slovenia	9	0.7%
16	Poland	9	0.7%
17	Denmark	8	0.6%
18	Australia	8	0.6%
19	Hong Kong	7	0.6%
20	Belgium	6	0.5%
21	Malaysia	5	0.4%
22	Thailand	5	0.4%
23	Ireland	4	0.3%
24	Argentina	4	0.3%
25	Cyprus	4	0.3%
26	Hungary	3	0.2%
27	Greece	3	0.2%
28	Bulgaria	3	0.2%
29	Austria	3	0.2%
30	Lithuania	3	0.2%
31	Spain	3	0.2%
32	Sweden	2	0.2%
33	Switzerland	2	0.2%
34	Portugal	2	0.2%
35	Iran, Islamic Republic of	2	0.2%
36	Brazil	2	0.2%
37	Turkey	2	0.2%
38	Viet Nam	1	0.1%
39	Colombia	1	0.1%
40	Romania	1	0.1%
41	Norway	1	0.1%