Rank	Countries/Territories	Count	Percent
1	United States	371	40.2%
2	China	237	25.7%
3	Germany	83	9%
4	Japan	26	2.8%
5	United Kingdom	24	2.6%
6	Romania	21	2.3%
7	Singapore	14	1.5%
8	Canada	12	1.3%
9	France	11	1.2%
10	Spain	10	1.1%
11	Netherlands	10	1.1%
12	Taiwan	10	1.1%
13	Italy	8	0.9%
14	Australia	8	0.9%
15	Hungary	7	0.8%
16	Ireland	7	0.8%
17	Russia	5	0.5%
18	Iceland	5	0.5%
19	Cyprus	5	0.5%
20	Chile	4	0.4%
21	Sweden	4	0.4%
22	Poland	4	0.4%
23	South Africa	3	0.3%
24	Korea, Republic of	3	0.3%
25	Algeria	3	0.3%
26	Denmark	3	0.3%
27	India	3	0.3%
28	Argentina	2	0.2%
29	Colombia	2	0.2%
30	Iran, Islamic Republic of	2	0.2%
31	Serbia	2	0.2%
32	Norway	2	0.2%
33	Turkey	2	0.2%
34	Ukraine	1	0.1%
35	Thailand	1	0.1%
36	Hong Kong	1	0.1%
37	Malaysia	1	0.1%
38	New Zealand	1	0.1%
39	Belarus	1	0.1%
40	Belgium	1	0.1%
41	Indonesia	1	0.1%
42	Georgia	1	0.1%