Rank	Countries/Territories	Count	Percent
1	United States	414	44.3%
2	China	147	15.7%
3	Japan	123	13.2%
4	Germany	74	7.9%
5	Singapore	21	2.2%
6	India	18	1.9%
7	Nepal	17	1.8%
8	Canada	15	1.6%
9	Korea, Republic of	11	1.2%
10	Poland	10	1.1%
11	Australia	9	1%
12	Spain	7	0.7%
13	United Kingdom	7	0.7%
14	Netherlands	6	0.6%
15	Russia	4	0.4%
16	Taiwan	4	0.4%
17	Thailand	4	0.4%
18	Uganda	4	0.4%
19	Iran, Islamic Republic of	4	0.4%
20	Ireland	3	0.3%
21	Greece	3	0.3%
22	Argentina	3	0.3%
23	Cyprus	3	0.3%
24	France	3	0.3%
25	Turkey	3	0.3%
26	Ukraine	2	0.2%
27	Switzerland	2	0.2%
28	Georgia	2	0.2%
29	Colombia	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%