Rank	Countries/Territories	Count	Percent
1	United States	530	39%
2	China	456	33.6%
3	Germany	124	9.1%
4	Poland	34	2.5%
5	Canada	33	2.4%
6	Korea, Republic of	21	1.5%
7	France	19	1.4%
8	Japan	17	1.3%
9	Russia	17	1.3%
10	Singapore	14	1%
11	United Kingdom	11	0.8%
12	Iran, Islamic Republic of	11	0.8%
13	India	8	0.6%
14	Cyprus	8	0.6%
15	Taiwan	8	0.6%
16	Netherlands	7	0.5%
17	Australia	6	0.4%
18	Italy	4	0.3%
19	Mongolia	4	0.3%
20	Spain	4	0.3%
21	South Africa	3	0.2%
22	Ukraine	3	0.2%
23	Sweden	2	0.1%
24	Switzerland	2	0.1%
25	New Zealand	2	0.1%
26	Macao	2	0.1%
27	Malaysia	2	0.1%
28	Egypt	2	0.1%
29	Greece	1	0.1%
30	Hong Kong	1	0.1%
31	Argentina	1	0.1%
32	Denmark	1	0.1%
33	Norway	1	0.1%