Rank	Countries/Territories	Count	Percent
1	United States	397	30.5%
2	Germany	224	17.2%
3	China	114	8.8%
4	Netherlands	106	8.1%
5	Ireland	95	7.3%
6	India	54	4.2%
7	United Kingdom	40	3.1%
8	Korea, Republic of	38	2.9%
9	Singapore	21	1.6%
10	Canada	18	1.4%
11	France	15	1.2%
12	Bulgaria	15	1.2%
13	Iran, Islamic Republic of	14	1.1%
14	Japan	11	0.8%
15	Peru	10	0.8%
16	Indonesia	10	0.8%
17	Spain	10	0.8%
18	Portugal	9	0.7%
19	Australia	8	0.6%
20	Sweden	7	0.5%
21	Taiwan	6	0.5%
22	Turkey	6	0.5%
23	Cambodia	6	0.5%
24	Norway	6	0.5%
25	Malaysia	6	0.5%
26	Pakistan	5	0.4%
27	Brunei Darussalam	4	0.3%
28	Cyprus	4	0.3%
29	Egypt	4	0.3%
30	Burkina Faso	3	0.2%
31	Philippines	3	0.2%
32	Mexico	3	0.2%
33	Kenya	3	0.2%
34	Syrian Arab Republic	3	0.2%
35	South Africa	3	0.2%
36	Latvia	2	0.2%
37	Saudi Arabia	2	0.2%
38	Poland	2	0.2%
39	Belarus	2	0.2%
40	Belgium	2	0.2%
41	Iraq	1	0.1%
42	Hong Kong	1	0.1%
43	Panama	1	0.1%
44	Russia	1	0.1%
45	Mauritius	1	0.1%
46	New Zealand	1	0.1%
47	Switzerland	1	0.1%
48	Thailand	1	0.1%
49	Viet Nam	1	0.1%
50	Zambia	1	0.1%