Rank	Countries/Territories	Count	Percent
1	United States	501	37.7%
2	China	425	32%
3	Germany	82	6.2%
4	Canada	44	3.3%
5	France	40	3%
6	Japan	33	2.5%
7	Netherlands	30	2.3%
8		25	1.9%
9	Korea, Republic of	16	1.2%
10	United Kingdom	15	1.1%
11	India	12	0.9%
12	Singapore	11	0.8%
13	Spain	11	0.8%
14	Taiwan	11	0.8%
15	Cyprus	9	0.7%
16	Australia	7	0.5%
17	Ireland	7	0.5%
18	Switzerland	7	0.5%
19	Sweden	4	0.3%
20	Hong Kong	4	0.3%
21	Argentina	3	0.2%
22	Egypt	3	0.2%
23	Belgium	3	0.2%
24	Russia	3	0.2%
25	South Africa	2	0.2%
26	Qatar	2	0.2%
27	New Zealand	2	0.2%
28	Philippines	2	0.2%
29	Indonesia	2	0.2%
30	Iran, Islamic Republic of	2	0.2%
31	Turkey	2	0.2%
32	Ukraine	2	0.2%
33	Iraq	1	0.1%
34	Austria	1	0.1%
35	Poland	1	0.1%
36	Latvia	1	0.1%
37	Mongolia	1	0.1%
38	Serbia	1	0.1%