Rank	Countries/Territories	Count	Percent
1	United States	403	42.1%
2	China	299	31.2%
3	Germany	65	6.8%
4	Japan	45	4.7%
5	France	23	2.4%
6	Singapore	18	1.9%
7	Korea, Republic of	12	1.3%
8	Canada	9	0.9%
9	Netherlands	9	0.9%
10	Australia	8	0.8%
11	United Kingdom	7	0.7%
12	Malaysia	6	0.6%
13	Spain	5	0.5%
14	Cyprus	5	0.5%
15	Iran, Islamic Republic of	5	0.5%
16	Ireland	4	0.4%
17	Sweden	4	0.4%
18	Ukraine	4	0.4%
19	South Africa	4	0.4%
20	Russia	2	0.2%
21	Pakistan	2	0.2%
22	Israel	2	0.2%
23	Latvia	2	0.2%
24	Ghana	2	0.2%
25	Austria	2	0.2%
26	Bangladesh	2	0.2%
27	Belgium	1	0.1%
28	Argentina	1	0.1%
29	Hong Kong	1	0.1%
30	Hungary	1	0.1%
31	Poland	1	0.1%
32	Romania	1	0.1%
33	Mongolia	1	0.1%
34	Yemen	1	0.1%