Rank	Countries/Territories	Count	Percent
1	United States	312	40.3%
2	China	192	24.8%
3	Germany	73	9.4%
4	Canada	28	3.6%
5	Japan	18	2.3%
6	India	14	1.8%
7	Netherlands	13	1.7%
8	Singapore	13	1.7%
9	Ireland	8	1%
10	Viet Nam	8	1%
11	Lithuania	7	0.9%
12	Korea, Republic of	6	0.8%
13	Poland	6	0.8%
14	Thailand	6	0.8%
15	United Kingdom	6	0.8%
16	Australia	5	0.6%
17	France	5	0.6%
18	Iceland	4	0.5%
19	Malaysia	4	0.5%
20	Russia	4	0.5%
21	Ukraine	3	0.4%
22	Norway	3	0.4%
23	Austria	3	0.4%
24	Bangladesh	3	0.4%
25	Indonesia	3	0.4%
26	Iran, Islamic Republic of	2	0.3%
27	Greece	2	0.3%
28	Kenya	2	0.3%
29	Albania	2	0.3%
30	Cyprus	2	0.3%
31	Philippines	2	0.3%
32	Morocco	2	0.3%
33	Slovakia	2	0.3%
34	South Africa	2	0.3%
35	Sri Lanka	2	0.3%
36	Sweden	2	0.3%
37	Turkey	1	0.1%
38	Romania	1	0.1%
39	Nigeria	1	0.1%
40	Croatia	1	0.1%
41	Italy	1	0.1%