Rank	Countries/Territories	Count	Percent
1	United States	531	39.1%
2	China	405	29.8%
3	Germany	117	8.6%
4		64	4.7%
5	France	61	4.5%
6	Japan	50	3.7%
7	Singapore	17	1.3%
8	Norway	15	1.1%
9	Netherlands	11	0.8%
10	Canada	9	0.7%
11	India	8	0.6%
12	Australia	7	0.5%
13	Cyprus	6	0.4%
14	Hong Kong	5	0.4%
15	Argentina	5	0.4%
16	United Kingdom	5	0.4%
17	Korea, Republic of	4	0.3%
18	Latvia	3	0.2%
19	Thailand	3	0.2%
20	Turkey	3	0.2%
21	Spain	3	0.2%
22	Ireland	3	0.2%
23	Malaysia	3	0.2%
24	Italy	2	0.1%
25	Romania	2	0.1%
26	Switzerland	2	0.1%
27	Ukraine	2	0.1%
28	Lithuania	2	0.1%
29	Bangladesh	2	0.1%
30	Brazil	2	0.1%
31	Bulgaria	1	0.1%
32	Chile	1	0.1%
33	Taiwan	1	0.1%
34	Philippines	1	0.1%
35	Portugal	1	0.1%