Rank	Countries/Territories	Count	Percent
1	China	258	34.2%
2	United States	255	33.8%
3	Germany	60	8%
4	Canada	49	6.5%
5	United Kingdom	20	2.7%
6	Japan	14	1.9%
7	Norway	11	1.5%
8	Singapore	9	1.2%
9	Taiwan	8	1.1%
10	Cyprus	7	0.9%
11	France	6	0.8%
12	Netherlands	5	0.7%
13	Turkey	5	0.7%
14	Switzerland	4	0.5%
15	Russia	4	0.5%
16	Sweden	3	0.4%
17	Lithuania	3	0.4%
18	Australia	3	0.4%
19	Iran, Islamic Republic of	3	0.4%
20	Hong Kong	2	0.3%
21	Austria	2	0.3%
22	Bangladesh	2	0.3%
23	Egypt	2	0.3%
24	Albania	2	0.3%
25	Lebanon	2	0.3%
26	Romania	2	0.3%
27	Thailand	2	0.3%
28	South Africa	1	0.1%
29	Poland	1	0.1%
30	Portugal	1	0.1%
31	Malaysia	1	0.1%
32	Brazil	1	0.1%
33	India	1	0.1%
34	Indonesia	1	0.1%
35	Greece	1	0.1%
36	Ireland	1	0.1%
37	Italy	1	0.1%
38	Korea, Republic of	1	0.1%