Rank	Countries/Territories	Count	Percent
1	United States	425	41.5%
2	China	260	25.4%
3	Germany	62	6%
4	Australia	46	4.5%
5	France	30	2.9%
6	Netherlands	24	2.3%
7	Japan	20	2%
8	Korea, Republic of	17	1.7%
9	Canada	15	1.5%
10	Moldova, Republic of	15	1.5%
11	United Kingdom	14	1.4%
12	Singapore	13	1.3%
13	Ukraine	9	0.9%
14	Iran, Islamic Republic of	8	0.8%
15	Hong Kong	7	0.7%
16	Hungary	7	0.7%
17	Cyprus	6	0.6%
18	Brazil	6	0.6%
19	Russia	6	0.6%
20	Israel	6	0.6%
21	Spain	4	0.4%
22	Sweden	3	0.3%
23	Taiwan	2	0.2%
24	Italy	2	0.2%
25	Poland	2	0.2%
26	Argentina	2	0.2%
27	Bangladesh	2	0.2%
28	Ireland	2	0.2%
29	Lithuania	2	0.2%
30	Mexico	1	0.1%
31	Belgium	1	0.1%
32	Romania	1	0.1%
33	Pakistan	1	0.1%
34	Mongolia	1	0.1%
35	South Africa	1	0.1%
36	United Arab Emirates	1	0.1%
37	Viet Nam	1	0.1%