Rank	Countries/Territories	Count	Percent
1	United States	451	35.6%
2	China	410	32.4%
3	Germany	98	7.7%
4	Singapore	60	4.7%
5	France	43	3.4%
6	United Kingdom	34	2.7%
7	Canada	26	2.1%
8	Netherlands	16	1.3%
9	Japan	15	1.2%
10		12	0.9%
11	Russia	12	0.9%
12	India	11	0.9%
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	Hong Kong	4	0.3%
19	Korea, Republic of	3	0.2%
20	Ireland	3	0.2%
21	Bangladesh	3	0.2%
22	Argentina	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%