Rank	Countries/Territories	Count	Percent
1	United States	355	37.4%
2	China	252	26.6%
3	Japan	67	7.1%
4	Russia	65	6.9%
5	Germany	52	5.5%
6	France	32	3.4%
7	Singapore	24	2.5%
8	India	15	1.6%
9	Switzerland	14	1.5%
10	Netherlands	8	0.8%
11	Canada	8	0.8%
12	Cyprus	6	0.6%
13	Mexico	6	0.6%
14	Hong Kong	5	0.5%
15	Ireland	3	0.3%
16	Argentina	3	0.3%
17	Australia	3	0.3%
18	Romania	3	0.3%
19	Turkey	3	0.3%
20	United Kingdom	3	0.3%
21	Ukraine	2	0.2%
22	Thailand	2	0.2%
23	Sweden	2	0.2%
24	Norway	2	0.2%
25	Philippines	2	0.2%
26	Bulgaria	2	0.2%
27	Korea, Republic of	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Latvia	1	0.1%
30	Ecuador	1	0.1%
31	Austria	1	0.1%
32	Brazil	1	0.1%
33	Qatar	1	0.1%