Rank	Countries/Territories	Count	Percent
1	United States	176	30.8%
2	China	146	25.6%
3	Germany	52	9.1%
4	India	44	7.7%
5	Spain	18	3.2%
6	France	17	3%
7	Korea, Republic of	13	2.3%
8	Netherlands	13	2.3%
9	United Kingdom	11	1.9%
10	Ireland	10	1.8%
11	Japan	10	1.8%
12	Cyprus	6	1.1%
13	Singapore	6	1.1%
14	Peru	5	0.9%
15	Australia	5	0.9%
16	Hong Kong	4	0.7%
17	Brazil	3	0.5%
18	Ukraine	3	0.5%
19	Switzerland	3	0.5%
20	Taiwan	3	0.5%
21	Slovakia	2	0.4%
22	Sweden	2	0.4%
23	Poland	2	0.4%
24	New Zealand	2	0.4%
25	Iran, Islamic Republic of	2	0.4%
26	Viet Nam	2	0.4%
27	Afghanistan	1	0.2%
28	Canada	1	0.2%
29	Chile	1	0.2%
30	Czech Republic	1	0.2%
31	Egypt	1	0.2%
32	Finland	1	0.2%
33	Mauritius	1	0.2%
34	Mongolia	1	0.2%
35	Portugal	1	0.2%
36	Russia	1	0.2%
37	Turkey	1	0.2%