Rank	Countries/Territories	Count	Percent
1	United States	456	42.5%
2	China	298	27.8%
3	Germany	135	12.6%
4	Ukraine	31	2.9%
5	Japan	17	1.6%
6	Singapore	13	1.2%
7	Pakistan	12	1.1%
8	Cyprus	12	1.1%
9	Canada	11	1%
10	Netherlands	11	1%
11	India	10	0.9%
12	Poland	8	0.7%
13	Ireland	7	0.7%
14	United Kingdom	7	0.7%
15	United Arab Emirates	6	0.6%
16	Iran, Islamic Republic of	5	0.5%
17	Australia	4	0.4%
18	Turkey	4	0.4%
19	New Zealand	3	0.3%
20	Kazakhstan	3	0.3%
21	Brazil	2	0.2%
22	France	2	0.2%
23	Italy	2	0.2%
24	Russia	2	0.2%
25	Taiwan	2	0.2%
26	Thailand	1	0.1%
27	Switzerland	1	0.1%
28	Norway	1	0.1%
29	Hong Kong	1	0.1%
30	Argentina	1	0.1%
31	Bangladesh	1	0.1%
32	Lithuania	1	0.1%
33	Malaysia	1	0.1%
34	Indonesia	1	0.1%