Rank	Countries/Territories	Count	Percent
1	United States	577	40%
2	China	514	35.6%
3	Germany	116	8%
4	France	60	4.2%
5	Taiwan	18	1.2%
6	Singapore	18	1.2%
7	Australia	17	1.2%
8	Japan	11	0.8%
9	Cyprus	9	0.6%
10	Egypt	9	0.6%
11	Italy	8	0.6%
12	Netherlands	8	0.6%
13	United Kingdom	7	0.5%
14	Iran, Islamic Republic of	7	0.5%
15	Ireland	7	0.5%
16	Hong Kong	6	0.4%
17	India	6	0.4%
18	Ukraine	6	0.4%
19	Russia	6	0.4%
20	Latvia	5	0.3%
21	Argentina	4	0.3%
22	Canada	4	0.3%
23	Bangladesh	2	0.1%
24	Switzerland	2	0.1%
25	New Zealand	2	0.1%
26	Pakistan	2	0.1%
27	Portugal	2	0.1%
28	Viet Nam	2	0.1%
29	Tunisia	1	0.1%
30	Norway	1	0.1%
31	South Africa	1	0.1%
32	Belgium	1	0.1%
33	Malaysia	1	0.1%
34	Jordan	1	0.1%
35	Kazakhstan	1	0.1%