Rank	Countries/Territories	Count	Percent
1	China	308	32.6%
2	United States	282	29.8%
3	Germany	94	9.9%
4	Brazil	46	4.9%
5	Canada	45	4.8%
6	Iraq	28	3%
7	Japan	24	2.5%
8	India	23	2.4%
9	Algeria	12	1.3%
10	Singapore	12	1.3%
11	France	11	1.2%
12	Netherlands	10	1.1%
13	Poland	7	0.7%
14	Turkey	5	0.5%
15	Taiwan	4	0.4%
16	Iran, Islamic Republic of	4	0.4%
17	Denmark	4	0.4%
18	Egypt	3	0.3%
19	Korea, Republic of	3	0.3%
20	Australia	3	0.3%
21	Cyprus	2	0.2%
22	Ireland	2	0.2%
23	Italy	2	0.2%
24	Russia	2	0.2%
25	Malaysia	2	0.2%
26	Ukraine	2	0.2%
27	United Kingdom	2	0.2%
28	Norway	1	0.1%
29	Lithuania	1	0.1%
30	Bangladesh	1	0.1%
31	Argentina	1	0.1%