Rank	Countries/Territories	Count	Percent
1	United States	446	40%
2	China	360	32.3%
3	Germany	97	8.7%
4	Netherlands	21	1.9%
5	France	19	1.7%
6	Japan	19	1.7%
7	Canada	19	1.7%
8	Austria	18	1.6%
9	Singapore	14	1.3%
10	Ukraine	11	1%
11	United Kingdom	9	0.8%
12	Slovakia	7	0.6%
13	Poland	7	0.6%
14	Australia	7	0.6%
15	Cyprus	6	0.5%
16	Israel	6	0.5%
17	Italy	5	0.4%
18	Taiwan	5	0.4%
19	Korea, Republic of	4	0.4%
20	India	4	0.4%
21	Iran, Islamic Republic of	3	0.3%
22	Bulgaria	3	0.3%
23	Spain	3	0.3%
24	Portugal	3	0.3%
25	Malaysia	3	0.3%
26	Norway	2	0.2%
27	Romania	2	0.2%
28	Russia	2	0.2%
29	South Africa	2	0.2%
30	Argentina	2	0.2%
31	Brazil	2	0.2%
32	Hungary	1	0.1%
33	Macao	1	0.1%
34	Sweden	1	0.1%
35	Switzerland	1	0.1%
36	Peru	1	0.1%