Rank	Countries/Territories	Count	Percent
1	United States	535	40.5%
2	China	460	34.8%
3	Germany	106	8%
4	France	54	4.1%
5	Taiwan	18	1.4%
6	Singapore	17	1.3%
7	Australia	17	1.3%
8	Japan	10	0.8%
9	Cyprus	9	0.7%
10	Egypt	9	0.7%
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	India	6	0.5%
17	Ukraine	6	0.5%
18	Russia	6	0.5%
19	Latvia	5	0.4%
20	Hong Kong	3	0.2%
21	Canada	3	0.2%
22	Argentina	2	0.2%
23	Bangladesh	2	0.2%
24	New Zealand	2	0.2%
25	Pakistan	2	0.2%
26	Portugal	2	0.2%
27	Switzerland	2	0.2%
28	Viet Nam	2	0.2%
29	Norway	1	0.1%
30	South Africa	1	0.1%
31	Belgium	1	0.1%
32	Malaysia	1	0.1%
33	Jordan	1	0.1%
34	Kazakhstan	1	0.1%