Rank	Countries/Territories	Count	Percent
1	United States	462	43.8%
2	China	238	22.6%
3	Germany	101	9.6%
4	France	24	2.3%
5	Canada	23	2.2%
6	Japan	23	2.2%
7		22	2.1%
8	Norway	19	1.8%
9	Singapore	15	1.4%
10	India	13	1.2%
11	Netherlands	13	1.2%
12	Switzerland	11	1%
13	Korea, Republic of	11	1%
14	Cyprus	9	0.9%
15	Australia	9	0.9%
16	Sweden	9	0.9%
17	Hong Kong	8	0.8%
18	Taiwan	6	0.6%
19	United Kingdom	5	0.5%
20	Italy	5	0.5%
21	Latvia	5	0.5%
22	Egypt	4	0.4%
23	Argentina	3	0.3%
24	Russia	3	0.3%
25	Ukraine	2	0.2%
26	Viet Nam	2	0.2%
27	Iran, Islamic Republic of	2	0.2%
28	Ireland	1	0.1%
29	Pakistan	1	0.1%
30	Bangladesh	1	0.1%
31	Brazil	1	0.1%
32	Bulgaria	1	0.1%
33	Lithuania	1	0.1%
34	Malaysia	1	0.1%
35	Mongolia	1	0.1%