Rank	Countries/Territories	Count	Percent
1	United States	393	34.8%
2	China	375	33.2%
3	Germany	115	10.2%
4	France	55	4.9%
5	Sweden	43	3.8%
6	Canada	36	3.2%
7	Netherlands	21	1.9%
8	Japan	12	1.1%
9	United Kingdom	12	1.1%
10	Poland	10	0.9%
11	Cyprus	10	0.9%
12	Norway	7	0.6%
13	Singapore	6	0.5%
14	Russia	4	0.4%
15	Ireland	4	0.4%
16	Israel	3	0.3%
17	Italy	3	0.3%
18	Australia	3	0.3%
19	Bulgaria	3	0.3%
20	Hong Kong	2	0.2%
21	India	2	0.2%
22	Romania	2	0.2%
23	Turkey	2	0.2%
24	Ukraine	2	0.2%
25	Switzerland	1	0.1%
26	Korea, Republic of	1	0.1%
27	Malaysia	1	0.1%
28	Argentina	1	0.1%
29	Georgia	1	0.1%