Rank	Countries/Territories	Count	Percent
1	United States	525	48.3%
2	China	265	24.4%
3	Germany	74	6.8%
4	France	40	3.7%
5	Canada	30	2.8%
6	Japan	16	1.5%
7	Singapore	14	1.3%
8	Netherlands	10	0.9%
9	Cyprus	9	0.8%
10	Australia	9	0.8%
11	Brazil	9	0.8%
12	Ukraine	8	0.7%
13	India	6	0.6%
14	Indonesia	5	0.5%
15	Iran, Islamic Republic of	5	0.5%
16	Pakistan	5	0.5%
17	Turkey	5	0.5%
18	Philippines	4	0.4%
19	Hong Kong	4	0.4%
20	Israel	3	0.3%
21	Russia	3	0.3%
22	South Africa	3	0.3%
23	Spain	3	0.3%
24	Switzerland	3	0.3%
25	Korea, Republic of	3	0.3%
26	Latvia	3	0.3%
27	Norway	2	0.2%
28	Mexico	2	0.2%
29	Slovenia	2	0.2%
30	Italy	2	0.2%
31	Bulgaria	2	0.2%
32	Argentina	2	0.2%
33	United Kingdom	2	0.2%
34	Ecuador	1	0.1%
35	Cambodia	1	0.1%
36	Bangladesh	1	0.1%
37	Ghana	1	0.1%
38	Taiwan	1	0.1%
39	Thailand	1	0.1%
40	Mongolia	1	0.1%
41	Malaysia	1	0.1%