Rank	Countries/Territories	Count	Percent
1	United States	639	50%
2	China	393	30.8%
3	Germany	72	5.6%
4	Japan	21	1.6%
5	Netherlands	18	1.4%
6	Korea, Republic of	14	1.1%
7	Singapore	12	0.9%
8	Portugal	11	0.9%
9	Taiwan	10	0.8%
10	France	10	0.8%
11	Australia	8	0.6%
12	Canada	7	0.5%
13	Finland	6	0.5%
14	Hong Kong	6	0.5%
15	India	6	0.5%
16	Russia	6	0.5%
17	United Kingdom	5	0.4%
18	Iran, Islamic Republic of	5	0.4%
19	Cyprus	5	0.4%
20	Sweden	4	0.3%
21	Bangladesh	3	0.2%
22	Ireland	2	0.2%
23	Italy	2	0.2%
24	Spain	2	0.2%
25	Romania	2	0.2%
26	Norway	2	0.2%
27	Poland	1	0.1%
28	Turkey	1	0.1%
29	Ukraine	1	0.1%
30	Hungary	1	0.1%
31	Brazil	1	0.1%
32	Argentina	1	0.1%
33	Egypt	1	0.1%