Rank	Countries/Territories	Count	Percent
1	United States	473	35.5%
2	China	423	31.8%
3	Germany	107	8%
4	Singapore	60	4.5%
5	United Kingdom	47	3.5%
6	France	44	3.3%
7	Canada	29	2.2%
8		16	1.2%
9	Netherlands	16	1.2%
10	Japan	15	1.1%
11	Russia	12	0.9%
12	India	11	0.8%
13	Australia	9	0.7%
14	Cyprus	9	0.7%
15	South Africa	9	0.7%
16	Ukraine	6	0.5%
17	Latvia	5	0.4%
18	Argentina	4	0.3%
19	Hong Kong	4	0.3%
20	Korea, Republic of	3	0.2%
21	Ireland	3	0.2%
22	Bangladesh	3	0.2%
23	Pakistan	3	0.2%
24	Saudi Arabia	3	0.2%
25	Serbia	2	0.2%
26	Turkey	2	0.2%
27	Viet Nam	2	0.2%
28	Lithuania	2	0.2%
29	Malaysia	2	0.2%
30	Mongolia	2	0.2%
31	Italy	2	0.2%
32	Iran, Islamic Republic of	1	0.1%
33	Colombia	1	0.1%
34	Norway	1	0.1%
35	Taiwan	1	0.1%