Rank	Countries/Territories	Count	Percent
1	United States	446	37.5%
2	China	429	36.1%
3	Germany	83	7%
4	Netherlands	43	3.6%
5	Latvia	37	3.1%
6	France	33	2.8%
7	Japan	25	2.1%
8	Singapore	13	1.1%
9	Russia	10	0.8%
10	Ireland	8	0.7%
11	Cyprus	7	0.6%
12	Bulgaria	6	0.5%
13	Australia	5	0.4%
14	Ukraine	5	0.4%
15	United Kingdom	4	0.3%
16	Canada	4	0.3%
17	Hong Kong	4	0.3%
18	Iran, Islamic Republic of	3	0.3%
19	Argentina	3	0.3%
20	Bhutan	3	0.3%
21	India	2	0.2%
22	Greece	2	0.2%
23	Taiwan	2	0.2%
24	Korea, Republic of	2	0.2%
25	Switzerland	1	0.1%
26	Thailand	1	0.1%
27	Lithuania	1	0.1%
28	Mauritius	1	0.1%
29	Mongolia	1	0.1%
30	Norway	1	0.1%
31	Poland	1	0.1%
32	Romania	1	0.1%
33	Italy	1	0.1%
34	Bangladesh	1	0.1%