Rank	Countries/Territories	Count	Percent
1	United States	336	40.7%
2	China	128	15.5%
3	Japan	121	14.7%
4	Germany	73	8.8%
5	Singapore	21	2.5%
6	Nepal	16	1.9%
7	India	16	1.9%
8	Canada	14	1.7%
9	Korea, Republic of	11	1.3%
10	Poland	10	1.2%
11	Spain	7	0.8%
12	Australia	7	0.8%
13	Netherlands	6	0.7%
14	Russia	4	0.5%
15	United Kingdom	4	0.5%
16	Taiwan	4	0.5%
17	Thailand	4	0.5%
18	Uganda	4	0.5%
19	Iran, Islamic Republic of	4	0.5%
20	Ireland	3	0.4%
21	Greece	3	0.4%
22	Argentina	3	0.4%
23	France	3	0.4%
24	Turkey	3	0.4%
25	Ukraine	2	0.2%
26	Switzerland	2	0.2%
27	Georgia	2	0.2%
28	Colombia	2	0.2%
29	Cyprus	2	0.2%
30	Indonesia	2	0.2%
31	Israel	2	0.2%
32	Malaysia	2	0.2%
33	Hong Kong	1	0.1%
34	Djibouti	1	0.1%
35	Philippines	1	0.1%
36	Romania	1	0.1%