Rank	Countries/Territories	Count	Percent
1	United States	286	31.1%
2	China	285	31%
3	Germany	153	16.6%
4	Canada	32	3.5%
5	Netherlands	26	2.8%
6	India	20	2.2%
7	Japan	15	1.6%
8	Korea, Republic of	15	1.6%
9	Switzerland	13	1.4%
10	Ireland	7	0.8%
11	Cyprus	7	0.8%
12	France	7	0.8%
13	Spain	6	0.7%
14	Singapore	4	0.4%
15	Turkey	3	0.3%
16	Romania	3	0.3%
17	Russia	3	0.3%
18	New Zealand	3	0.3%
19	Lithuania	3	0.3%
20	Hong Kong	3	0.3%
21	United Kingdom	3	0.3%
22	Guatemala	2	0.2%
23	Ghana	2	0.2%
24	United Arab Emirates	2	0.2%
25	Mongolia	2	0.2%
26	Taiwan	2	0.2%
27	Thailand	1	0.1%
28	Ukraine	1	0.1%
29	Philippines	1	0.1%
30	Poland	1	0.1%
31	Serbia	1	0.1%
32	Greece	1	0.1%
33	Malta	1	0.1%
34	Georgia	1	0.1%
35	Dominican Republic	1	0.1%
36	Finland	1	0.1%
37	Algeria	1	0.1%
38	Croatia	1	0.1%