Rank	Countries/Territories	Count	Percent
1	United States	522	41.7%
2	China	270	21.5%
3	Germany	120	9.6%
4	India	69	5.5%
5	France	32	2.6%
6	Japan	26	2.1%
7	Canada	24	1.9%
8	United Kingdom	20	1.6%
9	Italy	19	1.5%
10	Spain	18	1.4%
11	Netherlands	18	1.4%
12	Korea, Republic of	14	1.1%
13	Ireland	11	0.9%
14	Cyprus	10	0.8%
15	Brazil	9	0.7%
16	Norway	8	0.6%
17	Russia	7	0.6%
18	Turkey	7	0.6%
19	Iran, Islamic Republic of	6	0.5%
20	Egypt	6	0.5%
21	Argentina	4	0.3%
22	Austria	4	0.3%
23	Ukraine	3	0.2%
24	Romania	3	0.2%
25	Taiwan	3	0.2%
26	Sweden	2	0.2%
27	Saudi Arabia	2	0.2%
28	Singapore	2	0.2%
29	Poland	2	0.2%
30	Belgium	2	0.2%
31	Australia	2	0.2%
32	Chile	2	0.2%
33	Greece	1	0.1%
34	Hong Kong	1	0.1%
35	Portugal	1	0.1%
36	Philippines	1	0.1%
37	Lithuania	1	0.1%
38	Switzerland	1	0.1%