Rank	Countries/Territories	Count	Percent
1	United States	340	39.3%
2	China	237	27.4%
3	Germany	87	10.1%
4	Japan	35	4%
5	Canada	24	2.8%
6	Korea, Republic of	20	2.3%
7	Singapore	16	1.8%
8		15	1.7%
9	United Kingdom	9	1%
10	France	8	0.9%
11	Netherlands	8	0.9%
12	Pakistan	7	0.8%
13	Turkey	6	0.7%
14	Hong Kong	5	0.6%
15	India	5	0.6%
16	Cyprus	4	0.5%
17	Bangladesh	4	0.5%
18	Taiwan	4	0.5%
19	Nigeria	4	0.5%
20	Romania	3	0.3%
21	Australia	3	0.3%
22	Argentina	2	0.2%
23	Belgium	2	0.2%
24	Brazil	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Slovakia	2	0.2%
27	Sweden	2	0.2%
28	Ukraine	1	0.1%
29	Spain	1	0.1%
30	Russia	1	0.1%
31	Norway	1	0.1%
32	Poland	1	0.1%
33	Kuwait	1	0.1%
34	Nepal	1	0.1%
35	Indonesia	1	0.1%
36	Bulgaria	1	0.1%