Rank	Countries/Territories	Count	Percent
1	United States	432	36.7%
2	China	415	35.3%
3	Germany	114	9.7%
4	Japan	21	1.8%
5	Singapore	16	1.4%
6	Netherlands	15	1.3%
7	Russia	13	1.1%
8	Korea, Republic of	13	1.1%
9	United Kingdom	13	1.1%
10	Viet Nam	10	0.8%
11	France	10	0.8%
12	India	9	0.8%
13	Iran, Islamic Republic of	8	0.7%
14	Hong Kong	8	0.7%
15	Cyprus	7	0.6%
16	Canada	7	0.6%
17	Australia	7	0.6%
18	Sweden	7	0.6%
19	Thailand	5	0.4%
20	Egypt	5	0.4%
21	Italy	5	0.4%
22	Philippines	5	0.4%
23	Romania	3	0.3%
24	Slovakia	3	0.3%
25	Georgia	3	0.3%
26	Guatemala	2	0.2%
27	Cameroon	2	0.2%
28	Poland	2	0.2%
29	Pakistan	2	0.2%
30	Ireland	2	0.2%
31	Kazakhstan	2	0.2%
32	Taiwan	2	0.2%
33	Nigeria	1	0.1%
34	Iraq	1	0.1%
35	Spain	1	0.1%
36	Colombia	1	0.1%
37	Belarus	1	0.1%
38	Brazil	1	0.1%
39	Afghanistan	1	0.1%
40	Argentina	1	0.1%
41	Greece	1	0.1%