Rank	Countries/Territories	Count	Percent
1	United States	563	40.6%
2	China	399	28.8%
3	Germany	96	6.9%
4	Japan	64	4.6%
5	Singapore	28	2%
6	Canada	28	2%
7	France	25	1.8%
8	United Kingdom	23	1.7%
9	India	21	1.5%
10	Netherlands	19	1.4%
11	Korea, Republic of	16	1.2%
12	Australia	13	0.9%
13	Iran, Islamic Republic of	11	0.8%
14	Italy	9	0.6%
15	Taiwan	7	0.5%
16	Ireland	6	0.4%
17	Sweden	5	0.4%
18	Moldova, Republic of	4	0.3%
19	Morocco	4	0.3%
20	Norway	4	0.3%
21	Hong Kong	4	0.3%
22	Brazil	4	0.3%
23	Cyprus	3	0.2%
24	Czech Republic	3	0.2%
25	Egypt	3	0.2%
26	Nigeria	3	0.2%
27	Portugal	3	0.2%
28	South Africa	2	0.1%
29	Spain	2	0.1%
30	Switzerland	2	0.1%
31	Turkey	2	0.1%
32	Ukraine	2	0.1%
33	Argentina	2	0.1%
34	Poland	2	0.1%
35	Finland	1	0.1%
36	Georgia	1	0.1%
37	Iraq	1	0.1%
38	Russia	1	0.1%
39	Pakistan	1	0.1%