Rank	Countries/Territories	Count	Percent
1	China	529	37.5%
2	United States	491	34.8%
3	Germany	156	11.1%
4	France	28	2%
5	Poland	24	1.7%
6	Singapore	23	1.6%
7	Norway	20	1.4%
8	Japan	15	1.1%
9	United Kingdom	14	1%
10	Netherlands	12	0.9%
11	India	12	0.9%
12	Canada	8	0.6%
13	Korea, Republic of	8	0.6%
14	Ireland	6	0.4%
15	Romania	6	0.4%
16	Cyprus	6	0.4%
17	Iran, Islamic Republic of	5	0.4%
18	Sweden	5	0.4%
19	Slovakia	4	0.3%
20	Viet Nam	4	0.3%
21	Ukraine	3	0.2%
22	Switzerland	3	0.2%
23	Hong Kong	3	0.2%
24	Denmark	2	0.1%
25	Egypt	2	0.1%
26	Bangladesh	2	0.1%
27	Bulgaria	2	0.1%
28	Taiwan	2	0.1%
29	Spain	2	0.1%
30	Italy	2	0.1%
31	Pakistan	2	0.1%
32	Philippines	1	0.1%
33	Nigeria	1	0.1%
34	Mongolia	1	0.1%
35	Russia	1	0.1%
36	Portugal	1	0.1%
37	Argentina	1	0.1%
38	Australia	1	0.1%
39	Austria	1	0.1%
40	Georgia	1	0.1%
41	Indonesia	1	0.1%