Rank	Countries/Territories	Count	Percent
1	United States	177	35.8%
2	China	143	28.9%
3	Germany	56	11.3%
4	Japan	18	3.6%
5	United Kingdom	15	3%
6	Taiwan	7	1.4%
7	Hungary	7	1.4%
8	Canada	7	1.4%
9	Australia	6	1.2%
10	Singapore	6	1.2%
11	Netherlands	5	1%
12	Iceland	5	1%
13	Ireland	4	0.8%
14	Russia	4	0.8%
15	Spain	3	0.6%
16	Denmark	3	0.6%
17	France	2	0.4%
18	Colombia	2	0.4%
19	Cyprus	2	0.4%
20	Italy	2	0.4%
21	India	2	0.4%
22	Serbia	2	0.4%
23	Norway	2	0.4%
24	Poland	2	0.4%
25	Romania	1	0.2%
26	New Zealand	1	0.2%
27	Korea, Republic of	1	0.2%
28	Malaysia	1	0.2%
29	Sweden	1	0.2%
30	Thailand	1	0.2%
31	Ukraine	1	0.2%
32	Iran, Islamic Republic of	1	0.2%
33	Hong Kong	1	0.2%
34	Georgia	1	0.2%
35	Belgium	1	0.2%
36	Argentina	1	0.2%