Rank	Countries/Territories	Count	Percent
1	United States	380	39.4%
2	China	221	22.9%
3	Germany	121	12.5%
4	Canada	36	3.7%
5	Australia	24	2.5%
6	Korea, Republic of	22	2.3%
7	Japan	17	1.8%
8	Netherlands	13	1.3%
9	Denmark	11	1.1%
10	India	11	1.1%
11	United Kingdom	10	1%
12	Brazil	9	0.9%
13	Singapore	9	0.9%
14	Cyprus	7	0.7%
15	Greece	7	0.7%
16	France	7	0.7%
17	Hungary	6	0.6%
18	Romania	6	0.6%
19	Iran, Islamic Republic of	4	0.4%
20	Hong Kong	4	0.4%
21	Indonesia	3	0.3%
22	Croatia	3	0.3%
23	Ireland	3	0.3%
24	Malaysia	3	0.3%
25	Sweden	3	0.3%
26	Ukraine	3	0.3%
27	Taiwan	2	0.2%
28	Thailand	2	0.2%
29	Turkey	2	0.2%
30	Spain	2	0.2%
31	Italy	2	0.2%
32	Bulgaria	2	0.2%
33	Venezuela, Bolivarian Republic of	2	0.2%
34	Argentina	1	0.1%
35	Egypt	1	0.1%
36	Georgia	1	0.1%
37	Mexico	1	0.1%
38	Russia	1	0.1%
39	New Zealand	1	0.1%
40	Norway	1	0.1%
41	Switzerland	1	0.1%