Rank	Countries/Territories	Count	Percent
1	United States	500	37.8%
2	China	423	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	Taiwan	11	0.8%
12	Singapore	11	0.8%
13	Spain	11	0.8%
14	India	11	0.8%
15	Cyprus	9	0.7%
16	Ireland	7	0.5%
17	Switzerland	7	0.5%
18	Australia	6	0.5%
19	Hong Kong	4	0.3%
20	Sweden	4	0.3%
21	Russia	3	0.2%
22	Argentina	3	0.2%
23	Egypt	3	0.2%
24	Belgium	3	0.2%
25	Indonesia	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	South Africa	2	0.2%
28	Qatar	2	0.2%
29	New Zealand	2	0.2%
30	Philippines	2	0.2%
31	Turkey	2	0.2%
32	Ukraine	2	0.2%
33	Poland	1	0.1%
34	Latvia	1	0.1%
35	Mongolia	1	0.1%
36	Serbia	1	0.1%
37	Iraq	1	0.1%
38	Austria	1	0.1%