Rank	Countries/Territories	Count	Percent
1	United States	564	43.3%
2	China	291	22.3%
3	Germany	105	8.1%
4	Japan	63	4.8%
5	Singapore	42	3.2%
6	India	29	2.2%
7	Ukraine	25	1.9%
8	Australia	24	1.8%
9	Canada	21	1.6%
10	Russia	18	1.4%
11	Ireland	13	1%
12	Netherlands	12	0.9%
13	Korea, Republic of	10	0.8%
14	France	10	0.8%
15	United Kingdom	7	0.5%
16	Argentina	6	0.5%
17	Cyprus	6	0.5%
18	Iraq	5	0.4%
19	Sri Lanka	4	0.3%
20	Sweden	4	0.3%
21	Tanzania, United Republic of	4	0.3%
22	Latvia	4	0.3%
23	Iran, Islamic Republic of	4	0.3%
24	Hong Kong	3	0.2%
25	Italy	3	0.2%
26	Taiwan	3	0.2%
27	Spain	3	0.2%
28	Turkey	3	0.2%
29	Portugal	2	0.2%
30	Mexico	2	0.2%
31	New Zealand	2	0.2%
32	Belgium	2	0.2%
33	Bulgaria	1	0.1%
34	Hungary	1	0.1%
35	Denmark	1	0.1%
36	Egypt	1	0.1%
37	Algeria	1	0.1%
38	Bangladesh	1	0.1%
39	Norway	1	0.1%
40	Jordan	1	0.1%
41	Thailand	1	0.1%
42	Viet Nam	1	0.1%