Rank	Countries/Territories	Count	Percent
1	United States	407	54.1%
2	China	78	10.4%
3	Germany	56	7.4%
4	India	43	5.7%
5	Canada	25	3.3%
6	Japan	24	3.2%
7	United Kingdom	15	2%
8	Australia	14	1.9%
9	Brazil	9	1.2%
10	Korea, Republic of	8	1.1%
11	Netherlands	7	0.9%
12	Singapore	7	0.9%
13	Spain	6	0.8%
14	Hong Kong	6	0.8%
15	Ireland	5	0.7%
16	Philippines	4	0.5%
17	Serbia	4	0.5%
18	Cyprus	4	0.5%
19	Argentina	3	0.4%
20	Iran, Islamic Republic of	3	0.4%
21	Sri Lanka	3	0.4%
22	Saudi Arabia	2	0.3%
23	Italy	2	0.3%
24	Norway	2	0.3%
25	Indonesia	2	0.3%
26	Cambodia	2	0.3%
27	Iraq	1	0.1%
28	Mexico	1	0.1%
29	Mongolia	1	0.1%
30	Nepal	1	0.1%
31	Poland	1	0.1%
32	Puerto Rico	1	0.1%
33	Romania	1	0.1%
34	South Africa	1	0.1%
35	Switzerland	1	0.1%
36	Taiwan	1	0.1%
37	Ukraine	1	0.1%