Rank	Countries/Territories	Count	Percent
1	United States	345	32.7%
2	China	313	29.7%
3	Germany	133	12.6%
4	India	37	3.5%
5	Indonesia	27	2.6%
6	Japan	27	2.6%
7	Egypt	23	2.2%
8	Netherlands	18	1.7%
9	Taiwan	12	1.1%
10	Senegal	10	0.9%
11	Thailand	9	0.9%
12	Ireland	9	0.9%
13	Russia	8	0.8%
14	Saudi Arabia	7	0.7%
15	Romania	7	0.7%
16	United Kingdom	5	0.5%
17	South Africa	5	0.5%
18	Australia	5	0.5%
19	Bangladesh	4	0.4%
20	Belgium	4	0.4%
21	Brazil	4	0.4%
22	Canada	4	0.4%
23	Cyprus	4	0.4%
24	Spain	4	0.4%
25	Turkey	4	0.4%
26	Italy	4	0.4%
27	Korea, Republic of	3	0.3%
28	Singapore	3	0.3%
29	Qatar	2	0.2%
30	Czech Republic	2	0.2%
31	Denmark	2	0.2%
32	Israel	2	0.2%
33	Iran, Islamic Republic of	2	0.2%
34	Hungary	2	0.2%
35	Argentina	1	0.1%
36	Colombia	1	0.1%
37	Chile	1	0.1%
38	Mongolia	1	0.1%
39	Norway	1	0.1%