Rank	Countries/Territories	Count	Percent
1	United States	413	39.3%
2	China	269	25.6%
3	Germany	54	5.1%
4	Japan	31	2.9%
5	Singapore	28	2.7%
6	United Kingdom	28	2.7%
7	India	21	2%
8	Brazil	21	2%
9	Russia	19	1.8%
10	Iran, Islamic Republic of	18	1.7%
11	Netherlands	16	1.5%
12	Italy	15	1.4%
13	Korea, Republic of	12	1.1%
14	Poland	10	1%
15	Hong Kong	9	0.9%
16	Taiwan	8	0.8%
17	Turkey	7	0.7%
18	Canada	7	0.7%
19	Egypt	6	0.6%
20	Ukraine	6	0.6%
21	Greece	5	0.5%
22	Czech Republic	4	0.4%
23	Australia	4	0.4%
24	Saudi Arabia	4	0.4%
25	Mexico	4	0.4%
26	Denmark	3	0.3%
27	France	3	0.3%
28	Ireland	3	0.3%
29	Sweden	3	0.3%
30	Indonesia	2	0.2%
31	Austria	2	0.2%
32	Argentina	2	0.2%
33	Romania	2	0.2%
34	Spain	2	0.2%
35	Sri Lanka	1	0.1%
36	Slovakia	1	0.1%
37	Malaysia	1	0.1%
38	Portugal	1	0.1%
39	Pakistan	1	0.1%
40	Albania	1	0.1%
41	Belgium	1	0.1%
42	Israel	1	0.1%
43	Yemen	1	0.1%
44	Thailand	1	0.1%