Rank	Countries/Territories	Count	Percent
1	United States	936	43.6%
2	China	461	21.5%
3	Korea, Republic of	155	7.2%
4	Germany	149	6.9%
5	India	124	5.8%
6	Japan	55	2.6%
7	Brazil	33	1.5%
8	Netherlands	22	1%
9	Russia	19	0.9%
10	Latvia	14	0.7%
11	Iraq	12	0.6%
12	Mongolia	12	0.6%
13	Singapore	12	0.6%
14	Taiwan	10	0.5%
15	Spain	8	0.4%
16	Portugal	8	0.4%
17	Ireland	8	0.4%
18	Cyprus	8	0.4%
19	Hong Kong	7	0.3%
20	Canada	7	0.3%
21	Poland	7	0.3%
22	Senegal	7	0.3%
23	Turkey	7	0.3%
24	Israel	6	0.3%
25	Australia	6	0.3%
26	United Kingdom	5	0.2%
27	Sweden	4	0.2%
28	Argentina	4	0.2%
29	Romania	4	0.2%
30	Norway	3	0.1%
31	Belgium	3	0.1%
32	Iran, Islamic Republic of	3	0.1%
33	South Africa	3	0.1%
34	Ukraine	3	0.1%
35	Switzerland	2	0.1%
36	Saudi Arabia	2	0.1%
37	France	2	0.1%
38	Croatia	2	0.1%
39	Pakistan	2	0.1%
40	Kenya	2	0.1%
41	Lithuania	1	0%
42	Italy	1	0%
43	Palestine, State of	1	0%
44	Chile	1	0%
45	Bahrain	1	0%
46	Indonesia	1	0%
47	Denmark	1	0%
48	Serbia	1	0%
49	Viet Nam	1	0%