Rank	Countries/Territories	Count	Percent
1	United States	643	37.9%
2	China	469	27.7%
3	Japan	219	12.9%
4	Germany	69	4.1%
5	Singapore	57	3.4%
6	France	32	1.9%
7	India	29	1.7%
8	Russia	28	1.7%
9	Canada	24	1.4%
10	United Kingdom	18	1.1%
11	Korea, Republic of	10	0.6%
12	Brazil	9	0.5%
13	Cyprus	8	0.5%
14	Hong Kong	8	0.5%
15	Spain	8	0.5%
16	Poland	8	0.5%
17	Netherlands	7	0.4%
18	Norway	6	0.4%
19	Iran, Islamic Republic of	6	0.4%
20	Bahamas	5	0.3%
21	Belgium	4	0.2%
22	Latvia	3	0.2%
23	Ireland	3	0.2%
24	Switzerland	3	0.2%
25	South Africa	3	0.2%
26	Turkey	3	0.2%
27	Portugal	2	0.1%
28	Saudi Arabia	2	0.1%
29	Lithuania	2	0.1%
30	Austria	2	0.1%
31	Argentina	1	0.1%
32	Egypt	1	0.1%
33	Greece	1	0.1%
34	Romania	1	0.1%
35	Ukraine	1	0.1%
36	Taiwan	1	0.1%