Rank	Countries/Territories	Count	Percent
1	United States	333	38.5%
2	China	266	30.8%
3	Germany	80	9.3%
4	India	29	3.4%
5	Japan	27	3.1%
6	Russia	12	1.4%
7	Korea, Republic of	11	1.3%
8	United Kingdom	11	1.3%
9	Ireland	11	1.3%
10	Canada	8	0.9%
11	Turkey	8	0.9%
12	Singapore	8	0.9%
13	Taiwan	7	0.8%
14	Algeria	7	0.8%
15	Australia	6	0.7%
16	France	6	0.7%
17	Netherlands	4	0.5%
18	Congo	4	0.5%
19	Hong Kong	4	0.5%
20	Cyprus	3	0.3%
21	Bulgaria	2	0.2%
22	Romania	2	0.2%
23	Kenya	2	0.2%
24	Thailand	2	0.2%
25	Ukraine	2	0.2%
26	Mongolia	1	0.1%
27	Morocco	1	0.1%
28	Sweden	1	0.1%
29	Hungary	1	0.1%
30	Israel	1	0.1%
31	Italy	1	0.1%
32	Egypt	1	0.1%
33	Belgium	1	0.1%
34	Brazil	1	0.1%