Rank	Countries/Territories	Count	Percent
1	United States	575	38%
2	China	341	22.5%
3	Germany	118	7.8%
4	Australia	93	6.1%
5	Canada	61	4%
6	Japan	31	2%
7	United Kingdom	31	2%
8	Netherlands	29	1.9%
9	India	24	1.6%
10	Ukraine	21	1.4%
11	Sweden	21	1.4%
12	Korea, Republic of	19	1.3%
13	Singapore	14	0.9%
14	France	13	0.9%
15	Italy	12	0.8%
16	Cyprus	10	0.7%
17	Ireland	9	0.6%
18	Norway	9	0.6%
19	Iran, Islamic Republic of	7	0.5%
20	Taiwan	7	0.5%
21	Tanzania, United Republic of	5	0.3%
22	Romania	5	0.3%
23	Indonesia	5	0.3%
24	Malaysia	5	0.3%
25	Brazil	5	0.3%
26	Hong Kong	4	0.3%
27	Viet Nam	4	0.3%
28	Switzerland	3	0.2%
29	Argentina	3	0.2%
30	Chile	3	0.2%
31	Bangladesh	2	0.1%
32	Belgium	2	0.1%
33	Ethiopia	2	0.1%
34	Georgia	2	0.1%
35	Philippines	2	0.1%
36	Poland	2	0.1%
37	Lithuania	2	0.1%
38	Turkey	2	0.1%
39	Nigeria	2	0.1%
40	Russia	1	0.1%
41	Luxembourg	1	0.1%
42	Portugal	1	0.1%
43	Mauritius	1	0.1%
44	Mongolia	1	0.1%
45	New Zealand	1	0.1%
46	Egypt	1	0.1%
47	Greece	1	0.1%
48	Austria	1	0.1%