Rank	Countries/Territories	Count	Percent
1	United States	574	39.5%
2	China	340	23.4%
3	Germany	122	8.4%
4	India	47	3.2%
5	Canada	35	2.4%
6	Netherlands	31	2.1%
7	Ukraine	24	1.7%
8	United Kingdom	23	1.6%
9	Ireland	20	1.4%
10	Brazil	20	1.4%
11	France	18	1.2%
12	Ghana	17	1.2%
13	Japan	12	0.8%
14	Nigeria	11	0.8%
15	Norway	10	0.7%
16	Egypt	9	0.6%
17	Colombia	9	0.6%
18	Saudi Arabia	9	0.6%
19	Portugal	8	0.6%
20	Tanzania, United Republic of	7	0.5%
21	Australia	7	0.5%
22	Korea, Republic of	7	0.5%
23	Dominican Republic	6	0.4%
24	Jamaica	5	0.3%
25	Russia	5	0.3%
26	Romania	4	0.3%
27	Singapore	4	0.3%
28	South Africa	4	0.3%
29	Guyana	4	0.3%
30	Hong Kong	4	0.3%
31	Cyprus	4	0.3%
32	Algeria	3	0.2%
33	Italy	3	0.2%
34	Spain	3	0.2%
35	Pakistan	3	0.2%
36	Saint Lucia	3	0.2%
37	Uganda	3	0.2%
38	Thailand	2	0.1%
39	United Arab Emirates	2	0.1%
40	Zambia	2	0.1%
41	Rwanda	2	0.1%
42	Morocco	2	0.1%
43	Switzerland	2	0.1%
44	Slovakia	2	0.1%
45	Indonesia	2	0.1%
46	Iran, Islamic Republic of	2	0.1%
47	Oman	2	0.1%
48	Denmark	2	0.1%
49	Greece	2	0.1%
50	Argentina	1	0.1%
51	Cameroon	1	0.1%
52	Malaysia	1	0.1%
53	Moldova, Republic of	1	0.1%
54	Mongolia	1	0.1%
55	Israel	1	0.1%
56	Kenya	1	0.1%
57	Senegal	1	0.1%
58	Taiwan	1	0.1%
59	Puerto Rico	1	0.1%
60	Yemen	1	0.1%