Rank	Countries/Territories	Count	Percent
1	United States	543	47.8%
2	China	230	20.3%
3	Germany	104	9.2%
4	India	32	2.8%
5	Japan	30	2.6%
6	France	27	2.4%
7	Netherlands	21	1.9%
8	Canada	14	1.2%
9	Singapore	13	1.1%
10	Switzerland	12	1.1%
11	Ukraine	12	1.1%
12	Australia	12	1.1%
13	United Kingdom	9	0.8%
14	Taiwan	8	0.7%
15	Korea, Republic of	8	0.7%
16	Hong Kong	7	0.6%
17	Brazil	6	0.5%
18	Mexico	6	0.5%
19	Cyprus	5	0.4%
20	Mongolia	4	0.4%
21	Romania	4	0.4%
22	Peru	3	0.3%
23	Libya	3	0.3%
24	Ireland	3	0.3%
25	Malaysia	3	0.3%
26	Egypt	3	0.3%
27	Ethiopia	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Lebanon	1	0.1%
30	Indonesia	1	0.1%
31	Ecuador	1	0.1%
32	Argentina	1	0.1%
33	Lithuania	1	0.1%
34	New Zealand	1	0.1%
35	Pakistan	1	0.1%
36	Palestine, State of	1	0.1%
37	Philippines	1	0.1%