Rank	Countries/Territories	Count	Percent
1	United States	521	33.3%
2	China	512	32.7%
3	Germany	116	7.4%
4	France	84	5.4%
5	Latvia	65	4.2%
6	Russia	44	2.8%
7	Netherlands	43	2.7%
8	Canada	29	1.9%
9	Japan	27	1.7%
10	India	17	1.1%
11	Hong Kong	14	0.9%
12	Singapore	13	0.8%
13	Malaysia	11	0.7%
14	Korea, Republic of	11	0.7%
15	Australia	10	0.6%
16	Cyprus	7	0.4%
17	Ireland	6	0.4%
18	South Africa	5	0.3%
19	Bangladesh	4	0.3%
20	Norway	3	0.2%
21	Iran, Islamic Republic of	3	0.2%
22	United Kingdom	2	0.1%
23	Saudi Arabia	2	0.1%
24	Romania	2	0.1%
25	Switzerland	2	0.1%
26	Bulgaria	2	0.1%
27	Italy	2	0.1%
28	Indonesia	2	0.1%
29	Argentina	1	0.1%
30	Brazil	1	0.1%
31	Finland	1	0.1%
32	Ukraine	1	0.1%
33	Mongolia	1	0.1%