Rank	Countries/Territories	Count	Percent
1	United States	504	31.9%
2	China	378	23.9%
3	Japan	242	15.3%
4	Germany	152	9.6%
5	Singapore	63	4%
6	France	54	3.4%
7	United Kingdom	27	1.7%
8	Iran, Islamic Republic of	24	1.5%
9	Netherlands	23	1.5%
10		14	0.9%
11	India	10	0.6%
12	Taiwan	10	0.6%
13	Hong Kong	9	0.6%
14	Ireland	8	0.5%
15	Cyprus	8	0.5%
16	Switzerland	8	0.5%
17	Korea, Republic of	5	0.3%
18	Nicaragua	4	0.3%
19	Australia	4	0.3%
20	Canada	4	0.3%
21	Italy	3	0.2%
22	Argentina	3	0.2%
23	Portugal	3	0.2%
24	Latvia	3	0.2%
25	Luxembourg	2	0.1%
26	Mongolia	2	0.1%
27	Russia	2	0.1%
28	Philippines	2	0.1%
29	Sweden	2	0.1%
30	Bangladesh	2	0.1%
31	Brazil	1	0.1%
32	Egypt	1	0.1%
33	Finland	1	0.1%
34	Georgia	1	0.1%
35	Ukraine	1	0.1%
36	Uzbekistan	1	0.1%
37	Morocco	1	0.1%