Rank	Countries/Territories	Count	Percent
1	United States	279	36.9%
2	Germany	110	14.5%
3	China	106	14%
4	Japan	50	6.6%
5	India	33	4.4%
6	Netherlands	24	3.2%
7	Taiwan	16	2.1%
8	United Kingdom	16	2.1%
9		9	1.2%
10	Spain	8	1.1%
11	Russia	7	0.9%
12	Mexico	6	0.8%
13	Ireland	6	0.8%
14	Austria	6	0.8%
15	Iran, Islamic Republic of	6	0.8%
16	Canada	6	0.8%
17	France	6	0.8%
18	Malaysia	5	0.7%
19	Korea, Republic of	4	0.5%
20	Georgia	4	0.5%
21	Argentina	4	0.5%
22	Cyprus	4	0.5%
23	Ecuador	3	0.4%
24	Australia	3	0.4%
25	Hungary	3	0.4%
26	New Zealand	3	0.4%
27	Romania	3	0.4%
28	South Africa	3	0.4%
29	Singapore	2	0.3%
30	Philippines	2	0.3%
31	Colombia	2	0.3%
32	Switzerland	2	0.3%
33	Thailand	2	0.3%
34	Turkey	1	0.1%
35	Ukraine	1	0.1%
36	Sweden	1	0.1%
37	Venezuela, Bolivarian Republic of	1	0.1%
38	Egypt	1	0.1%
39	Brazil	1	0.1%
40	Iraq	1	0.1%
41	Ghana	1	0.1%
42	Hong Kong	1	0.1%
43	Poland	1	0.1%
44	Libya	1	0.1%
45	Slovakia	1	0.1%
46	Moldova, Republic of	1	0.1%
47	Saudi Arabia	1	0.1%