Rank	Countries/Territories	Count	Percent
1	United States	223	29.8%
2	China	211	28.2%
3	Germany	84	11.2%
4	India	44	5.9%
5	Brazil	17	2.3%
6	Netherlands	16	2.1%
7	Norway	14	1.9%
8	United Kingdom	14	1.9%
9	Japan	13	1.7%
10	Australia	11	1.5%
11	Singapore	10	1.3%
12	France	8	1.1%
13	Mexico	8	1.1%
14	Iran, Islamic Republic of	7	0.9%
15	Egypt	6	0.8%
16	Cyprus	5	0.7%
17	Canada	4	0.5%
18	Ecuador	4	0.5%
19	Greece	4	0.5%
20	Hong Kong	4	0.5%
21	Korea, Republic of	4	0.5%
22	Taiwan	4	0.5%
23	Ukraine	4	0.5%
24	Turkey	3	0.4%
25	Italy	3	0.4%
26	Malaysia	2	0.3%
27	New Zealand	2	0.3%
28	Sri Lanka	2	0.3%
29	Switzerland	2	0.3%
30	Romania	2	0.3%
31	Russia	2	0.3%
32	Ireland	2	0.3%
33	Croatia	2	0.3%
34	Czech Republic	1	0.1%
35	Denmark	1	0.1%
36	Argentina	1	0.1%
37	Ghana	1	0.1%
38	Senegal	1	0.1%
39	Poland	1	0.1%
40	Nigeria	1	0.1%
41	Latvia	1	0.1%