Rank	Countries/Territories	Count	Percent
1	United States	668	44.5%
2	China	473	31.5%
3	Germany	69	4.6%
4	Australia	36	2.4%
5	India	29	1.9%
6	Russia	27	1.8%
7	Japan	25	1.7%
8	Korea, Republic of	19	1.3%
9	Brazil	19	1.3%
10	United Kingdom	17	1.1%
11	Latvia	16	1.1%
12	Canada	12	0.8%
13	Hong Kong	11	0.7%
14	Iran, Islamic Republic of	10	0.7%
15	Argentina	9	0.6%
16	France	6	0.4%
17	Italy	5	0.3%
18	Ukraine	5	0.3%
19	Turkey	4	0.3%
20	Portugal	4	0.3%
21	Viet Nam	3	0.2%
22	Denmark	3	0.2%
23	Ecuador	3	0.2%
24	Mexico	3	0.2%
25	Sweden	3	0.2%
26	Singapore	2	0.1%
27	Mongolia	2	0.1%
28	Nepal	2	0.1%
29	Netherlands	2	0.1%
30	Bulgaria	2	0.1%
31	Czech Republic	2	0.1%
32	Poland	2	0.1%
33	Greece	1	0.1%
34	Egypt	1	0.1%
35	Finland	1	0.1%
36	New Zealand	1	0.1%
37	South Africa	1	0.1%
38	Spain	1	0.1%
39	Switzerland	1	0.1%
40	Taiwan	1	0.1%
41	Tunisia	1	0.1%