Rank	Countries/Territories	Count	Percent
1	United States	351	41.8%
2	China	148	17.6%
3	Germany	83	9.9%
4	India	34	4%
5	Canada	27	3.2%
6	Netherlands	21	2.5%
7	United Kingdom	18	2.1%
8	Brazil	12	1.4%
9	France	12	1.4%
10	Norway	10	1.2%
11	Colombia	9	1.1%
12	Portugal	8	1%
13	Nigeria	7	0.8%
14	Ireland	7	0.8%
15	Japan	6	0.7%
16	Tanzania, United Republic of	6	0.7%
17	Korea, Republic of	5	0.6%
18	Jamaica	5	0.6%
19	Dominican Republic	5	0.6%
20	Egypt	5	0.6%
21	Ghana	5	0.6%
22	Romania	4	0.5%
23	Saudi Arabia	4	0.5%
24	Spain	3	0.4%
25	Saint Lucia	3	0.4%
26	Russia	3	0.4%
27	Cyprus	3	0.4%
28	Algeria	2	0.2%
29	Greece	2	0.2%
30	Guyana	2	0.2%
31	Iran, Islamic Republic of	2	0.2%
32	Pakistan	2	0.2%
33	Italy	2	0.2%
34	United Arab Emirates	2	0.2%
35	Zambia	2	0.2%
36	Thailand	2	0.2%
37	Singapore	2	0.2%
38	Slovakia	2	0.2%
39	South Africa	2	0.2%
40	Senegal	1	0.1%
41	Uganda	1	0.1%
42	Taiwan	1	0.1%
43	Yemen	1	0.1%
44	Israel	1	0.1%
45	Malaysia	1	0.1%
46	Moldova, Republic of	1	0.1%
47	Rwanda	1	0.1%
48	Puerto Rico	1	0.1%
49	Indonesia	1	0.1%
50	Hong Kong	1	0.1%
51	Australia	1	0.1%