Rank	Countries/Territories	Count	Percent
1	United States	660	42.7%
2	China	354	22.9%
3	Germany	158	10.2%
4	India	123	8%
5	Australia	49	3.2%
6	Japan	32	2.1%
7	Canada	27	1.7%
8	France	20	1.3%
9	Netherlands	17	1.1%
10	Ireland	14	0.9%
11	Cyprus	11	0.7%
12	Korea, Republic of	10	0.6%
13	Portugal	8	0.5%
14	Russia	7	0.5%
15	United Kingdom	6	0.4%
16	Singapore	6	0.4%
17	Zambia	5	0.3%
18	Israel	4	0.3%
19	Sudan	3	0.2%
20	Greece	3	0.2%
21	Bangladesh	3	0.2%
22	Brazil	3	0.2%
23	Bulgaria	2	0.1%
24	Denmark	2	0.1%
25	Argentina	2	0.1%
26	Indonesia	2	0.1%
27	Turkey	2	0.1%
28	Ukraine	1	0.1%
29	Tanzania, United Republic of	1	0.1%
30	Trinidad and Tobago	1	0.1%
31	Pakistan	1	0.1%
32	Saint Lucia	1	0.1%
33	Serbia	1	0.1%
34	Iran, Islamic Republic of	1	0.1%
35	Mongolia	1	0.1%
36	Morocco	1	0.1%
37	Belgium	1	0.1%
38	Viet Nam	1	0.1%