Rank	Countries/Territories	Count	Percent
1	United States	525	38.5%
2	China	424	31.1%
3	Germany	77	5.6%
4	India	48	3.5%
5	Brazil	33	2.4%
6	Canada	33	2.4%
7	France	30	2.2%
8	Japan	27	2%
9	Iran, Islamic Republic of	21	1.5%
10	Ireland	14	1%
11	Latvia	11	0.8%
12	Russia	11	0.8%
13	United Kingdom	11	0.8%
14	Korea, Republic of	9	0.7%
15	Mexico	8	0.6%
16	Netherlands	8	0.6%
17	Mongolia	6	0.4%
18	Israel	6	0.4%
19	Australia	6	0.4%
20	Italy	5	0.4%
21	Argentina	5	0.4%
22	Singapore	5	0.4%
23	Hong Kong	4	0.3%
24	Ukraine	4	0.3%
25	Turkey	3	0.2%
26	Cyprus	3	0.2%
27	Denmark	2	0.1%
28	Algeria	2	0.1%
29	Chile	2	0.1%
30	New Zealand	2	0.1%
31	Spain	2	0.1%
32	Taiwan	2	0.1%
33	Pakistan	2	0.1%
34	Portugal	2	0.1%
35	Serbia	2	0.1%
36	United Arab Emirates	1	0.1%
37	Romania	1	0.1%
38	Saudi Arabia	1	0.1%
39	Thailand	1	0.1%
40	Norway	1	0.1%
41	Hungary	1	0.1%
42	Egypt	1	0.1%
43	Greece	1	0.1%