Rank	Countries/Territories	Count	Percent
1	United States	497	38.4%
2	China	480	37.1%
3	Germany	119	9.2%
4	India	34	2.6%
5	France	31	2.4%
6	Singapore	27	2.1%
7	Russia	18	1.4%
8	Pakistan	11	0.9%
9	Switzerland	10	0.8%
10	Japan	10	0.8%
11	Australia	10	0.8%
12	United Kingdom	6	0.5%
13	Netherlands	5	0.4%
14	Sweden	4	0.3%
15	Canada	4	0.3%
16	Cyprus	4	0.3%
17	Iran, Islamic Republic of	4	0.3%
18	Korea, Republic of	3	0.2%
19	Latvia	2	0.2%
20	Lithuania	2	0.2%
21	Norway	2	0.2%
22	Portugal	2	0.2%
23	Mauritius	2	0.2%
24	Spain	2	0.2%
25	Malaysia	1	0.1%
26	Indonesia	1	0.1%
27	Hong Kong	1	0.1%
28	Argentina	1	0.1%
29	Bangladesh	1	0.1%