Rank	Countries/Territories	Count	Percent
1	China	155	35.8%
2	United States	142	32.8%
3	Germany	17	3.9%
4	Japan	16	3.7%
5	India	14	3.2%
6	Russia	10	2.3%
7	Ireland	7	1.6%
8	Singapore	7	1.6%
9	Netherlands	6	1.4%
10	Brazil	6	1.4%
11	Korea, Republic of	5	1.2%
12	France	5	1.2%
13	Turkey	4	0.9%
14	Ukraine	4	0.9%
15	Australia	4	0.9%
16	Bulgaria	3	0.7%
17	Italy	3	0.7%
18	Serbia	2	0.5%
19	Portugal	2	0.5%
20	Spain	2	0.5%
21	Canada	2	0.5%
22	Argentina	2	0.5%
23	Belgium	2	0.5%
24	Latvia	2	0.5%
25	Iran, Islamic Republic of	2	0.5%
26	Ethiopia	1	0.2%
27	Malaysia	1	0.2%
28	Bangladesh	1	0.2%
29	Chile	1	0.2%
30	United Kingdom	1	0.2%
31	Viet Nam	1	0.2%
32	Romania	1	0.2%
33	Nicaragua	1	0.2%
34	Poland	1	0.2%