Rank	Countries/Territories	Count	Percent
1	United States	261	31.9%
2	China	247	30.2%
3	Russia	43	5.3%
4	Germany	38	4.7%
5	France	20	2.4%
6	Japan	20	2.4%
7	Taiwan	20	2.4%
8	Netherlands	15	1.8%
9	Mexico	14	1.7%
10	Korea, Republic of	11	1.3%
11	India	9	1.1%
12	Belgium	9	1.1%
13	Singapore	9	1.1%
14	Turkey	7	0.9%
15	Saudi Arabia	7	0.9%
16	United Kingdom	6	0.7%
17	Canada	6	0.7%
18	Ireland	6	0.7%
19	Iran, Islamic Republic of	5	0.6%
20	Ecuador	5	0.6%
21	Bahrain	4	0.5%
22	Thailand	4	0.5%
23	Spain	3	0.4%
24	Romania	3	0.4%
25	Belarus	3	0.4%
26	Brazil	3	0.4%
27	Pakistan	3	0.4%
28	Latvia	2	0.2%
29	Indonesia	2	0.2%
30	Italy	2	0.2%
31	Bangladesh	2	0.2%
32	Cyprus	2	0.2%
33	Czech Republic	2	0.2%
34	Morocco	2	0.2%
35	Poland	2	0.2%
36	Serbia	2	0.2%
37	Tunisia	2	0.2%
38	Ukraine	2	0.2%
39	Switzerland	1	0.1%
40	South Africa	1	0.1%
41	Rwanda	1	0.1%
42	Portugal	1	0.1%
43	Croatia	1	0.1%
44	Finland	1	0.1%
45	Hong Kong	1	0.1%
46	Argentina	1	0.1%
47	Australia	1	0.1%
48	Kuwait	1	0.1%
49	Malaysia	1	0.1%
50	Mongolia	1	0.1%
51	Peru	1	0.1%
52	Norway	1	0.1%