Rank	Countries/Territories	Count	Percent
1	United States	582	41.8%
2	China	471	33.8%
3	Germany	85	6.1%
4	France	40	2.9%
5	Australia	23	1.7%
6	Canada	21	1.5%
7	Japan	17	1.2%
8	Ukraine	13	0.9%
9	Netherlands	11	0.8%
10	Slovakia	11	0.8%
11	Belgium	11	0.8%
12	Czech Republic	11	0.8%
13	Brazil	9	0.6%
14	United Kingdom	9	0.6%
15	Hong Kong	8	0.6%
16	Korea, Republic of	8	0.6%
17	Sweden	7	0.5%
18	Denmark	7	0.5%
19	India	6	0.4%
20	Thailand	6	0.4%
21	Argentina	5	0.4%
22	Cyprus	5	0.4%
23	Romania	4	0.3%
24	Singapore	3	0.2%
25	Spain	2	0.1%
26	Libya	2	0.1%
27	Jordan	2	0.1%
28	Bangladesh	2	0.1%
29	Iran, Islamic Republic of	2	0.1%
30	Ireland	2	0.1%
31	Chile	1	0.1%
32	Mexico	1	0.1%
33	Norway	1	0.1%
34	Poland	1	0.1%
35	Portugal	1	0.1%
36	Russia	1	0.1%
37	Switzerland	1	0.1%
38	Viet Nam	1	0.1%