Rank	Countries/Territories	Count	Percent
1	United States	248	33.6%
2	China	228	30.9%
3	Germany	65	8.8%
4	Netherlands	22	3%
5	Japan	18	2.4%
6	Poland	18	2.4%
7	Italy	13	1.8%
8	India	11	1.5%
9	Russia	10	1.4%
10	France	8	1.1%
11	Cyprus	8	1.1%
12	Canada	7	0.9%
13	Korea, Republic of	7	0.9%
14	United Kingdom	7	0.9%
15	Mongolia	5	0.7%
16	Australia	5	0.7%
17	Egypt	4	0.5%
18	Iran, Islamic Republic of	4	0.5%
19	Ireland	4	0.5%
20	Morocco	4	0.5%
21	Singapore	4	0.5%
22	Switzerland	3	0.4%
23	Turkey	3	0.4%
24	Jordan	3	0.4%
25	Israel	3	0.4%
26	Hong Kong	3	0.4%
27	Austria	2	0.3%
28	Bahrain	2	0.3%
29	Brazil	2	0.3%
30	Bulgaria	2	0.3%
31	Argentina	2	0.3%
32	United Arab Emirates	2	0.3%
33	South Africa	2	0.3%
34	Spain	2	0.3%
35	Saudi Arabia	1	0.1%
36	Ukraine	1	0.1%
37	Mexico	1	0.1%
38	Nigeria	1	0.1%
39	Pakistan	1	0.1%
40	Denmark	1	0.1%