Rank	Countries/Territories	Count	Percent
1	United States	646	52.2%
2	China	352	28.4%
3	Germany	69	5.6%
4	Canada	26	2.1%
5	France	18	1.5%
6	Japan	16	1.3%
7	Netherlands	15	1.2%
8	United Kingdom	12	1%
9	Korea, Republic of	9	0.7%
10	India	8	0.6%
11	Australia	7	0.6%
12	Israel	5	0.4%
13	Argentina	4	0.3%
14	Belgium	4	0.3%
15	Portugal	4	0.3%
16	Romania	3	0.2%
17	Indonesia	3	0.2%
18	Cyprus	3	0.2%
19	Ukraine	3	0.2%
20	Hong Kong	2	0.2%
21	Ireland	2	0.2%
22	Belize	2	0.2%
23	Bulgaria	2	0.2%
24	Belarus	2	0.2%
25	Austria	2	0.2%
26	Russia	2	0.2%
27	Spain	2	0.2%
28	Taiwan	2	0.2%
29	Thailand	1	0.1%
30	Sweden	1	0.1%
31	Switzerland	1	0.1%
32	Singapore	1	0.1%
33	Malaysia	1	0.1%
34	Mongolia	1	0.1%
35	New Zealand	1	0.1%
36	Philippines	1	0.1%
37	Poland	1	0.1%
38	Bahrain	1	0.1%
39	Brazil	1	0.1%
40	Iran, Islamic Republic of	1	0.1%
41	Denmark	1	0.1%