Rank	Countries/Territories	Count	Percent
1	United States	391	48.4%
2	China	165	20.4%
3	Germany	64	7.9%
4	France	23	2.8%
5	United Kingdom	21	2.6%
6	Netherlands	19	2.4%
7	Japan	11	1.4%
8	Ireland	9	1.1%
9	Australia	9	1.1%
10	Canada	9	1.1%
11	India	8	1%
12	Singapore	8	1%
13	Poland	7	0.9%
14	Russia	6	0.7%
15	Montenegro	6	0.7%
16	Sweden	5	0.6%
17	Austria	5	0.6%
18	Brazil	5	0.6%
19	Mexico	4	0.5%
20	Iraq	3	0.4%
21	Cyprus	3	0.4%
22	Croatia	2	0.2%
23	Chile	2	0.2%
24	Iran, Islamic Republic of	2	0.2%
25	Italy	2	0.2%
26	Afghanistan	2	0.2%
27	Hong Kong	2	0.2%
28	Mongolia	2	0.2%
29	Philippines	2	0.2%
30	Thailand	2	0.2%
31	Switzerland	1	0.1%
32	Portugal	1	0.1%
33	Romania	1	0.1%
34	Norway	1	0.1%
35	Jordan	1	0.1%
36	Malaysia	1	0.1%
37	Malta	1	0.1%
38	Czech Republic	1	0.1%
39	Finland	1	0.1%