Rank	Countries/Territories	Count	Percent
1	United States	239	32.3%
2	China	152	20.5%
3	Germany	90	12.1%
4	Brazil	39	5.3%
5	France	29	3.9%
6	Japan	29	3.9%
7	United Kingdom	29	3.9%
8	Canada	21	2.8%
9	India	11	1.5%
10	Netherlands	10	1.3%
11	Spain	8	1.1%
12	Taiwan	7	0.9%
13	Singapore	7	0.9%
14	Iran, Islamic Republic of	6	0.8%
15	Hong Kong	6	0.8%
16	Cyprus	6	0.8%
17	Italy	5	0.7%
18	Korea, Republic of	4	0.5%
19	Iraq	4	0.5%
20	Denmark	3	0.4%
21	Cameroon	3	0.4%
22	New Zealand	3	0.4%
23	Nigeria	3	0.4%
24	Qatar	3	0.4%
25	Mexico	3	0.4%
26	Sweden	2	0.3%
27	Turkey	2	0.3%
28	Algeria	2	0.3%
29	Argentina	2	0.3%
30	Ecuador	2	0.3%
31	Egypt	2	0.3%
32	Ireland	2	0.3%
33	Venezuela, Bolivarian Republic of	2	0.3%
34	Viet Nam	2	0.3%
35	Tanzania, United Republic of	1	0.1%
36	Malaysia	1	0.1%
37	Kenya	1	0.1%