Rank	Countries/Territories	Count	Percent
1	United States	578	52.7%
2	China	171	15.6%
3	Germany	96	8.8%
4	India	51	4.7%
5	Australia	24	2.2%
6	Japan	22	2%
7	Korea, Republic of	21	1.9%
8	France	20	1.8%
9	Canada	19	1.7%
10	Singapore	15	1.4%
11	Russia	9	0.8%
12	Ireland	7	0.6%
13	Italy	7	0.6%
14	Hong Kong	7	0.6%
15	Netherlands	6	0.5%
16	Ukraine	5	0.5%
17	Cyprus	5	0.5%
18	Egypt	3	0.3%
19	Lithuania	3	0.3%
20	Mongolia	2	0.2%
21	Indonesia	2	0.2%
22	Iran, Islamic Republic of	2	0.2%
23	United Kingdom	2	0.2%
24	Palestine, State of	2	0.2%
25	Chile	2	0.2%
26	Brazil	2	0.2%
27	Bangladesh	2	0.2%
28	Bosnia and Herzegovina	1	0.1%
29	Austria	1	0.1%
30	Bulgaria	1	0.1%
31	Finland	1	0.1%
32	Croatia	1	0.1%
33	Argentina	1	0.1%
34	Philippines	1	0.1%
35	Poland	1	0.1%
36	Sweden	1	0.1%
37	Uganda	1	0.1%
38	Latvia	1	0.1%