Rank	Countries/Territories	Count	Percent
1	United States	432	40.1%
2	Germany	198	18.4%
3	China	175	16.3%
4	France	29	2.7%
5	India	21	2%
6	Japan	20	1.9%
7	Korea, Republic of	19	1.8%
8	Netherlands	19	1.8%
9	Canada	13	1.2%
10	Ireland	11	1%
11	Spain	11	1%
12	Russia	10	0.9%
13	Sweden	9	0.8%
14	Brazil	9	0.8%
15	United Kingdom	9	0.8%
16	Egypt	8	0.7%
17	Portugal	8	0.7%
18	Italy	7	0.7%
19	Iran, Islamic Republic of	7	0.7%
20	Hong Kong	6	0.6%
21	Cyprus	5	0.5%
22	Singapore	5	0.5%
23	Switzerland	4	0.4%
24	Taiwan	4	0.4%
25	Argentina	4	0.4%
26	Viet Nam	4	0.4%
27	Australia	3	0.3%
28	Chile	3	0.3%
29	Colombia	3	0.3%
30	Czech Republic	2	0.2%
31	Austria	2	0.2%
32	Hungary	2	0.2%
33	Greece	2	0.2%
34	Ukraine	2	0.2%
35	New Zealand	2	0.2%
36	Philippines	2	0.2%
37	Poland	2	0.2%
38	Norway	1	0.1%
39	Mexico	1	0.1%
40	Slovenia	1	0.1%
41	Iceland	1	0.1%