Rank	Countries/Territories	Count	Percent
1	United States	519	35.7%
2	China	487	33.5%
3	Germany	165	11.3%
4	India	73	5%
5	Japan	56	3.9%
6	Russia	21	1.4%
7	France	18	1.2%
8	Ireland	13	0.9%
9	Singapore	13	0.9%
10	Korea, Republic of	13	0.9%
11	Philippines	13	0.9%
12	Netherlands	11	0.8%
13	Canada	9	0.6%
14	Brazil	5	0.3%
15	Hong Kong	4	0.3%
16	Austria	3	0.2%
17	Turkey	3	0.2%
18	United Kingdom	3	0.2%
19	Nepal	2	0.1%
20	Bangladesh	2	0.1%
21	Australia	2	0.1%
22	Costa Rica	2	0.1%
23	Cyprus	2	0.1%
24	Denmark	2	0.1%
25	Dominican Republic	2	0.1%
26	Egypt	2	0.1%
27	Argentina	1	0.1%
28	Chile	1	0.1%
29	New Zealand	1	0.1%
30	Luxembourg	1	0.1%
31	Mexico	1	0.1%
32	Mongolia	1	0.1%
33	South Africa	1	0.1%
34	Taiwan	1	0.1%
35	Saudi Arabia	1	0.1%