Rank	Countries/Territories	Count	Percent
1	United States	450	36.1%
2	China	322	25.9%
3	Germany	75	6%
4	United Kingdom	40	3.2%
5	Canada	33	2.7%
6	Russia	33	2.7%
7	Brazil	29	2.3%
8	Japan	23	1.8%
9	France	20	1.6%
10	Iran, Islamic Republic of	18	1.4%
11	Spain	17	1.4%
12	India	14	1.1%
13	Malaysia	14	1.1%
14	Portugal	13	1%
15	Taiwan	12	1%
16	Netherlands	12	1%
17	Sweden	10	0.8%
18	Pakistan	10	0.8%
19	Italy	9	0.7%
20	Korea, Republic of	8	0.6%
21	Saudi Arabia	8	0.6%
22	Cyprus	8	0.6%
23	Australia	8	0.6%
24	Hong Kong	7	0.6%
25	Lebanon	7	0.6%
26	Mexico	7	0.6%
27	Singapore	5	0.4%
28	Ireland	5	0.4%
29	Colombia	5	0.4%
30	Argentina	4	0.3%
31	Belgium	3	0.2%
32	Egypt	2	0.2%
33	Guatemala	2	0.2%
34	Serbia	2	0.2%
35	Norway	2	0.2%
36	Turkey	2	0.2%
37	Uganda	2	0.2%
38	Tanzania, United Republic of	1	0.1%
39	Philippines	1	0.1%
40	South Africa	1	0.1%
41	Bulgaria	1	0.1%