Rank	Countries/Territories	Count	Percent
1	China	590	35.4%
2	United States	581	34.8%
3	Germany	102	6.1%
4	Russia	43	2.6%
5	France	40	2.4%
6	Netherlands	29	1.7%
7	Canada	27	1.6%
8	Pakistan	19	1.1%
9	Japan	18	1.1%
10	Singapore	16	1%
11	United Kingdom	16	1%
12	Spain	15	0.9%
13	India	15	0.9%
14	Australia	14	0.8%
15	Ireland	12	0.7%
16	Sweden	11	0.7%
17	Taiwan	11	0.7%
18	Turkey	10	0.6%
19	Brazil	10	0.6%
20	Korea, Republic of	9	0.5%
21	Italy	8	0.5%
22	Colombia	6	0.4%
23	Belgium	6	0.4%
24	Hong Kong	6	0.4%
25	Cyprus	6	0.4%
26	Egypt	5	0.3%
27	Argentina	5	0.3%
28	Israel	4	0.2%
29	Puerto Rico	4	0.2%
30	Viet Nam	4	0.2%
31	Iran, Islamic Republic of	3	0.2%
32	Ethiopia	3	0.2%
33	Dominican Republic	2	0.1%
34	Bangladesh	2	0.1%
35	Indonesia	2	0.1%
36	New Zealand	2	0.1%
37	Qatar	2	0.1%
38	Switzerland	2	0.1%
39	Romania	1	0.1%
40	Ukraine	1	0.1%
41	Tunisia	1	0.1%
42	Nigeria	1	0.1%
43	Poland	1	0.1%
44	Sri Lanka	1	0.1%
45	Lithuania	1	0.1%
46	Croatia	1	0.1%
47	Greece	1	0.1%