Rank	Countries/Territories	Count	Percent
1	United States	463	40.6%
2	China	200	17.5%
3	Germany	128	11.2%
4	India	67	5.9%
5	Australia	41	3.6%
6	United Kingdom	40	3.5%
7	Netherlands	28	2.5%
8	Japan	18	1.6%
9	Singapore	14	1.2%
10	Ireland	13	1.1%
11	Korea, Republic of	11	1%
12	Nigeria	11	1%
13	Jordan	10	0.9%
14	Russia	9	0.8%
15	Cyprus	8	0.7%
16	Brazil	7	0.6%
17	Canada	7	0.6%
18	France	6	0.5%
19	Mexico	5	0.4%
20	Philippines	4	0.4%
21	Indonesia	4	0.4%
22	Argentina	3	0.3%
23	Austria	3	0.3%
24	Portugal	3	0.3%
25	Malawi	3	0.3%
26	Sweden	3	0.3%
27	Taiwan	3	0.3%
28	Spain	2	0.2%
29	Sri Lanka	2	0.2%
30	Malaysia	2	0.2%
31	Pakistan	2	0.2%
32	Peru	2	0.2%
33	Mongolia	2	0.2%
34	Morocco	2	0.2%
35	Bangladesh	2	0.2%
36	Georgia	2	0.2%
37	Ghana	2	0.2%
38	Iran, Islamic Republic of	2	0.2%
39	Iraq	1	0.1%
40	Hong Kong	1	0.1%
41	Ethiopia	1	0.1%
42	Poland	1	0.1%
43	Slovakia	1	0.1%
44	South Africa	1	0.1%