Rank	Countries/Territories	Count	Percent
1	United States	276	38.2%
2	China	161	22.3%
3	Germany	70	9.7%
4	Japan	36	5%
5	India	31	4.3%
6	Canada	21	2.9%
7	Singapore	13	1.8%
8	United Kingdom	12	1.7%
9	Ireland	12	1.7%
10	Norway	9	1.2%
11	Cyprus	7	1%
12	Netherlands	6	0.8%
13	Korea, Republic of	6	0.8%
14	Sweden	6	0.8%
15	Angola	5	0.7%
16	France	5	0.7%
17	Australia	4	0.6%
18	Taiwan	4	0.6%
19	Malaysia	4	0.6%
20	Peru	3	0.4%
21	Turkey	3	0.4%
22	Viet Nam	3	0.4%
23	Greece	3	0.4%
24	Hong Kong	3	0.4%
25	Italy	2	0.3%
26	Brazil	2	0.3%
27	Cambodia	2	0.3%
28	Colombia	2	0.3%
29	Romania	2	0.3%
30	Lithuania	2	0.3%
31	Macao	1	0.1%
32	Portugal	1	0.1%
33	Thailand	1	0.1%
34	Spain	1	0.1%
35	Ecuador	1	0.1%
36	Kazakhstan	1	0.1%
37	Kenya	1	0.1%
38	Georgia	1	0.1%