Rank	Countries/Territories	Count	Percent
1	United States	311	35%
2	China	297	33.4%
3	Germany	86	9.7%
4	Netherlands	25	2.8%
5	Singapore	22	2.5%
6	Japan	12	1.4%
7		12	1.4%
8	Bulgaria	10	1.1%
9	France	9	1%
10	Cyprus	8	0.9%
11	Canada	8	0.9%
12	Russia	8	0.9%
13	Colombia	7	0.8%
14	India	7	0.8%
15	Pakistan	6	0.7%
16	Korea, Republic of	6	0.7%
17	Saudi Arabia	5	0.6%
18	Egypt	5	0.6%
19	United Kingdom	5	0.6%
20	Argentina	4	0.5%
21	Romania	4	0.5%
22	Macao	3	0.3%
23	Malaysia	3	0.3%
24	Australia	3	0.3%
25	Hong Kong	3	0.3%
26	Israel	2	0.2%
27	Bangladesh	2	0.2%
28	Nigeria	2	0.2%
29	Latvia	2	0.2%
30	Turkey	2	0.2%
31	Lithuania	1	0.1%
32	Norway	1	0.1%
33	Moldova, Republic of	1	0.1%
34	South Africa	1	0.1%
35	Sweden	1	0.1%
36	Switzerland	1	0.1%
37	Brazil	1	0.1%
38	Italy	1	0.1%
39	Ghana	1	0.1%