Rank	Countries/Territories	Count	Percent
1	United States	363	38.1%
2	China	236	24.8%
3	Germany	102	10.7%
4	Russia	62	6.5%
5	Japan	19	2%
6	India	14	1.5%
7	Canada	13	1.4%
8	Thailand	12	1.3%
9	Korea, Republic of	11	1.2%
10	Egypt	10	1.1%
11	Netherlands	9	0.9%
12	Spain	8	0.8%
13	Ireland	7	0.7%
14	Australia	7	0.7%
15	Mongolia	6	0.6%
16	Taiwan	6	0.6%
17	Singapore	5	0.5%
18	Malaysia	5	0.5%
19	Moldova, Republic of	4	0.4%
20	Iran, Islamic Republic of	4	0.4%
21	Cyprus	4	0.4%
22	Hong Kong	4	0.4%
23	Ukraine	4	0.4%
24	Argentina	3	0.3%
25	Saudi Arabia	3	0.3%
26	Oman	3	0.3%
27	Norway	2	0.2%
28	Romania	2	0.2%
29	Latvia	2	0.2%
30	Croatia	2	0.2%
31	France	2	0.2%
32	United Kingdom	2	0.2%
33	Viet Nam	2	0.2%
34	Turkey	2	0.2%
35	Sweden	2	0.2%
36	Switzerland	1	0.1%
37	Syrian Arab Republic	1	0.1%
38	Czech Republic	1	0.1%
39	Indonesia	1	0.1%
40	Austria	1	0.1%
41	Bangladesh	1	0.1%
42	Brazil	1	0.1%
43	Libya	1	0.1%
44	Philippines	1	0.1%
45	Portugal	1	0.1%