Rank	Countries/Territories	Count	Percent
1	United States	445	38.1%
2	China	360	30.8%
3	Germany	122	10.4%
4	Singapore	35	3%
5	India	32	2.7%
6	Japan	17	1.5%
7	Uganda	16	1.4%
8	Korea, Republic of	14	1.2%
9	United Kingdom	13	1.1%
10	Tanzania, United Republic of	12	1%
11	Canada	12	1%
12		8	0.7%
13	Australia	8	0.7%
14	Netherlands	8	0.7%
15	Nigeria	7	0.6%
16	Iran, Islamic Republic of	7	0.6%
17	Sweden	6	0.5%
18	Senegal	6	0.5%
19	South Africa	5	0.4%
20	France	4	0.3%
21	Cyprus	4	0.3%
22	Ethiopia	3	0.3%
23	Argentina	3	0.3%
24	Taiwan	3	0.3%
25	Mauritius	2	0.2%
26	Moldova, Republic of	2	0.2%
27	Jordan	2	0.2%
28	Cameroon	2	0.2%
29	Chile	2	0.2%
30	Hong Kong	2	0.2%
31	Armenia	1	0.1%
32	Austria	1	0.1%
33	Finland	1	0.1%
34	Malaysia	1	0.1%
35	Romania	1	0.1%
36	Turkey	1	0.1%