Rank	Countries/Territories	Count	Percent
1	United States	272	31.2%
2	China	253	29%
3	Russia	62	7.1%
4	Germany	55	6.3%
5	Australia	40	4.6%
6	India	37	4.2%
7	Korea, Republic of	27	3.1%
8	Israel	21	2.4%
9	Canada	15	1.7%
10	Japan	11	1.3%
11	Taiwan	10	1.1%
12	Hong Kong	8	0.9%
13	United Kingdom	7	0.8%
14	Ukraine	6	0.7%
15	South Africa	5	0.6%
16	France	5	0.6%
17	Algeria	5	0.6%
18	Mongolia	4	0.5%
19	Turkey	3	0.3%
20	Argentina	3	0.3%
21	Brazil	3	0.3%
22	Cote D'ivoire	2	0.2%
23	Egypt	2	0.2%
24	Ireland	2	0.2%
25	Thailand	2	0.2%
26	Netherlands	2	0.2%
27	Norway	1	0.1%
28	Romania	1	0.1%
29	Slovakia	1	0.1%
30	Spain	1	0.1%
31	Sweden	1	0.1%
32	Italy	1	0.1%
33	Finland	1	0.1%
34	Colombia	1	0.1%
35	Belgium	1	0.1%