Rank	Countries/Territories	Count	Percent
1	United States	432	43.8%
2	China	255	25.8%
3	Germany	76	7.7%
4	Korea, Republic of	38	3.9%
5	Canada	26	2.6%
6	India	24	2.4%
7	Japan	21	2.1%
8	Singapore	16	1.6%
9	Netherlands	10	1%
10	Hong Kong	9	0.9%
11	Australia	9	0.9%
12	France	6	0.6%
13	Ireland	6	0.6%
14	Iran, Islamic Republic of	5	0.5%
15	Cyprus	5	0.5%
16	Ecuador	5	0.5%
17	Croatia	4	0.4%
18	Kenya	4	0.4%
19	Ukraine	4	0.4%
20	United Kingdom	3	0.3%
21	Philippines	3	0.3%
22	Nepal	3	0.3%
23	Turkey	3	0.3%
24	Sweden	2	0.2%
25	Ethiopia	2	0.2%
26	Bangladesh	2	0.2%
27	Algeria	1	0.1%
28	Argentina	1	0.1%
29	Indonesia	1	0.1%
30	Taiwan	1	0.1%
31	Thailand	1	0.1%
32	Oman	1	0.1%
33	Pakistan	1	0.1%
34	South Africa	1	0.1%
35	Spain	1	0.1%
36	Portugal	1	0.1%
37	Romania	1	0.1%
38	Russia	1	0.1%
39	Mongolia	1	0.1%
40	United Arab Emirates	1	0.1%