Rank	Countries/Territories	Count	Percent
1	China	311	38.5%
2	United States	233	28.8%
3	Russia	45	5.6%
4	India	44	5.4%
5	Germany	33	4.1%
6	Israel	14	1.7%
7	Japan	14	1.7%
8	Brazil	13	1.6%
9	France	10	1.2%
10	Korea, Republic of	10	1.2%
11	Ireland	10	1.2%
12	Romania	8	1%
13	Singapore	7	0.9%
14	Hong Kong	7	0.9%
15	Netherlands	6	0.7%
16	Spain	5	0.6%
17	Mexico	4	0.5%
18	Canada	3	0.4%
19	Argentina	3	0.4%
20	Australia	3	0.4%
21	Belgium	2	0.2%
22		2	0.2%
23	Iran, Islamic Republic of	2	0.2%
24	Lithuania	2	0.2%
25	Mongolia	2	0.2%
26	New Zealand	2	0.2%
27	Pakistan	2	0.2%
28	Palestine, State of	2	0.2%
29	Viet Nam	2	0.2%
30	Taiwan	2	0.2%
31	Tunisia	1	0.1%
32	Ukraine	1	0.1%
33	Sweden	1	0.1%
34	Portugal	1	0.1%
35	Denmark	1	0.1%