Rank	Countries/Territories	Count	Percent
1	United States	580	40.4%
2	China	321	22.4%
3	Germany	126	8.8%
4	Japan	55	3.8%
5	Korea, Republic of	54	3.8%
6	France	36	2.5%
7	Netherlands	33	2.3%
8	United Kingdom	26	1.8%
9	Hong Kong	20	1.4%
10	India	17	1.2%
11	Russia	14	1%
12	Singapore	12	0.8%
13	Canada	12	0.8%
14	Switzerland	11	0.8%
15	Cyprus	10	0.7%
16	Australia	9	0.6%
17	Iran, Islamic Republic of	9	0.6%
18	Austria	8	0.6%
19	South Africa	8	0.6%
20	Taiwan	7	0.5%
21	Turkey	7	0.5%
22	Belgium	6	0.4%
23	Argentina	6	0.4%
24	Lithuania	6	0.4%
25	Malaysia	5	0.3%
26	Norway	5	0.3%
27	Italy	4	0.3%
28	Ukraine	4	0.3%
29	Finland	4	0.3%
30	Spain	3	0.2%
31	Sweden	2	0.1%
32	Philippines	2	0.1%
33	Portugal	2	0.1%
34	Romania	2	0.1%
35	Egypt	2	0.1%
36	Israel	2	0.1%
37	Mongolia	1	0.1%
38	Denmark	1	0.1%
39	New Zealand	1	0.1%
40	Thailand	1	0.1%