Rank	Countries/Territories	Count	Percent
1	United States	401	40%
2	China	261	26%
3	Germany	64	6.4%
4	Canada	37	3.7%
5	Slovakia	25	2.5%
6	Japan	24	2.4%
7	France	21	2.1%
8	Russia	15	1.5%
9	United Kingdom	12	1.2%
10	Korea, Republic of	11	1.1%
11	Netherlands	11	1.1%
12	India	10	1%
13	Mexico	9	0.9%
14	Sweden	9	0.9%
15	Brazil	7	0.7%
16	Australia	6	0.6%
17	Ireland	6	0.6%
18	Switzerland	6	0.6%
19	Singapore	6	0.6%
20	Italy	5	0.5%
21	Hong Kong	5	0.5%
22	Egypt	5	0.5%
23	Cyprus	5	0.5%
24	Chile	4	0.4%
25	Hungary	4	0.4%
26	Iran, Islamic Republic of	4	0.4%
27	Pakistan	4	0.4%
28	New Zealand	3	0.3%
29	Norway	3	0.3%
30	Taiwan	3	0.3%
31	Portugal	2	0.2%
32	Romania	2	0.2%
33	Estonia	2	0.2%
34	Bangladesh	2	0.2%
35	Turkey	2	0.2%
36	Belgium	1	0.1%
37	Argentina	1	0.1%
38	Czech Republic	1	0.1%
39	Jordan	1	0.1%
40	Thailand	1	0.1%
41	Spain	1	0.1%