Rank	Countries/Territories	Count	Percent
1	United States	297	38.4%
2	China	228	29.5%
3	Germany	75	9.7%
4	Japan	34	4.4%
5	France	20	2.6%
6	Norway	12	1.6%
7	Russia	10	1.3%
8	Netherlands	9	1.2%
9	Cyprus	8	1%
10	Hong Kong	7	0.9%
11	Italy	6	0.8%
12	United Kingdom	6	0.8%
13	Ukraine	5	0.6%
14	Switzerland	5	0.6%
15	Taiwan	4	0.5%
16	Singapore	4	0.5%
17	India	4	0.5%
18	Ireland	3	0.4%
19	Czech Republic	3	0.4%
20	Spain	3	0.4%
21	Sweden	3	0.4%
22	Romania	3	0.4%
23	Thailand	2	0.3%
24	Philippines	2	0.3%
25	Argentina	2	0.3%
26	Australia	2	0.3%
27	Bangladesh	2	0.3%
28	Greece	2	0.3%
29	Korea, Republic of	2	0.3%
30	Luxembourg	2	0.3%
31	Mexico	2	0.3%
32	Mongolia	2	0.3%
33	Canada	1	0.1%
34	Egypt	1	0.1%
35	Serbia	1	0.1%
36	Pakistan	1	0.1%