Rank	Countries/Territories	Count	Percent
1	United States	647	37.4%
2	China	613	35.4%
3	Germany	160	9.2%
4	Canada	42	2.4%
5	France	38	2.2%
6	Poland	34	2%
7	Japan	23	1.3%
8	Korea, Republic of	21	1.2%
9	Russia	17	1%
10	Singapore	15	0.9%
11	Iran, Islamic Republic of	11	0.6%
12	United Kingdom	11	0.6%
13	Taiwan	11	0.6%
14	Cyprus	11	0.6%
15	Australia	8	0.5%
16	Hungary	8	0.5%
17	India	8	0.5%
18	Netherlands	8	0.5%
19	Latvia	6	0.3%
20	Italy	4	0.2%
21	Spain	4	0.2%
22	Sweden	4	0.2%
23	Mongolia	4	0.2%
24	Ukraine	3	0.2%
25	South Africa	3	0.2%
26	Egypt	3	0.2%
27	Macao	2	0.1%
28	Malaysia	2	0.1%
29	Hong Kong	2	0.1%
30	New Zealand	2	0.1%
31	Switzerland	2	0.1%
32	Norway	1	0.1%
33	Greece	1	0.1%
34	Argentina	1	0.1%
35	Denmark	1	0.1%