Rank	Countries/Territories	Count	Percent
1	United States	295	35.3%
2	China	273	32.7%
3	Germany	62	7.4%
4	Canada	51	6.1%
5	United Kingdom	20	2.4%
6	Japan	16	1.9%
7	Singapore	14	1.7%
8	Norway	11	1.3%
9	Australia	10	1.2%
10	Taiwan	8	1%
11	France	7	0.8%
12	Cyprus	7	0.8%
13	Korea, Republic of	6	0.7%
14	Netherlands	6	0.7%
15	Turkey	5	0.6%
16	Switzerland	4	0.5%
17	Russia	4	0.5%
18	Lithuania	3	0.4%
19	Sweden	3	0.4%
20	Thailand	3	0.4%
21	Iran, Islamic Republic of	3	0.4%
22	Lebanon	2	0.2%
23	Hong Kong	2	0.2%
24	Egypt	2	0.2%
25	Albania	2	0.2%
26	Austria	2	0.2%
27	Bangladesh	2	0.2%
28	Romania	2	0.2%
29	Poland	1	0.1%
30	Portugal	1	0.1%
31	Malaysia	1	0.1%
32	South Africa	1	0.1%
33	Brazil	1	0.1%
34	India	1	0.1%
35	Indonesia	1	0.1%
36	Greece	1	0.1%
37	Ireland	1	0.1%
38	Italy	1	0.1%