Rank	Countries/Territories	Count	Percent
1	United States	488	38.7%
2	China	424	33.6%
3	Germany	113	9%
4	Japan	40	3.2%
5	France	35	2.8%
6		30	2.4%
7	United Kingdom	14	1.1%
8	Singapore	13	1%
9	Canada	12	1%
10	Netherlands	11	0.9%
11	Switzerland	10	0.8%
12	India	9	0.7%
13	Cyprus	9	0.7%
14	Australia	8	0.6%
15	Iran, Islamic Republic of	6	0.5%
16	Sweden	6	0.5%
17	South Africa	5	0.4%
18	Thailand	4	0.3%
19	Argentina	4	0.3%
20	Hong Kong	3	0.2%
21	Bangladesh	2	0.2%
22	Brazil	2	0.2%
23	Taiwan	2	0.2%
24	Spain	2	0.2%
25	Korea, Republic of	2	0.2%
26	Lithuania	2	0.2%
27	Malaysia	1	0.1%
28	Mongolia	1	0.1%
29	Bulgaria	1	0.1%
30	Ireland	1	0.1%
31	Israel	1	0.1%