Rank	Countries/Territories	Count	Percent
1	United States	563	46.6%
2	China	250	20.7%
3	Germany	104	8.6%
4	India	46	3.8%
5	France	41	3.4%
6	Japan	30	2.5%
7	Netherlands	22	1.8%
8	Canada	14	1.2%
9	Australia	13	1.1%
10	Singapore	13	1.1%
11	Switzerland	12	1%
12	Ukraine	12	1%
13	United Kingdom	9	0.7%
14	Taiwan	8	0.7%
15	Korea, Republic of	8	0.7%
16	Hong Kong	7	0.6%
17	Brazil	6	0.5%
18	Cyprus	6	0.5%
19	Mexico	6	0.5%
20	Mongolia	4	0.3%
21	Romania	4	0.3%
22	Peru	3	0.2%
23	Libya	3	0.2%
24	Ireland	3	0.2%
25	Malaysia	3	0.2%
26	Egypt	3	0.2%
27	Ethiopia	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Tanzania, United Republic of	2	0.2%
30	Philippines	1	0.1%
31	Lithuania	1	0.1%
32	New Zealand	1	0.1%
33	Pakistan	1	0.1%
34	Palestine, State of	1	0.1%
35	Lebanon	1	0.1%
36	Indonesia	1	0.1%
37	Ecuador	1	0.1%
38	Argentina	1	0.1%