Rank	Countries/Territories	Count	Percent
1	United States	538	41.7%
2	China	276	21.4%
3	Germany	120	9.3%
4	India	72	5.6%
5	France	33	2.6%
6	Japan	26	2%
7	Canada	25	1.9%
8	Italy	20	1.6%
9	United Kingdom	20	1.6%
10	Spain	18	1.4%
11	Netherlands	18	1.4%
12	Korea, Republic of	14	1.1%
13	Egypt	13	1%
14	Ireland	11	0.9%
15	Cyprus	10	0.8%
16	Brazil	9	0.7%
17	Norway	8	0.6%
18	Russia	7	0.5%
19	Turkey	7	0.5%
20	Iran, Islamic Republic of	6	0.5%
21	Argentina	4	0.3%
22	Austria	4	0.3%
23	Chile	3	0.2%
24	Ukraine	3	0.2%
25	Taiwan	3	0.2%
26	Romania	3	0.2%
27	Poland	2	0.2%
28	Saudi Arabia	2	0.2%
29	Singapore	2	0.2%
30	Sweden	2	0.2%
31	Belgium	2	0.2%
32	Australia	2	0.2%
33	Greece	1	0.1%
34	Hong Kong	1	0.1%
35	Switzerland	1	0.1%
36	Portugal	1	0.1%
37	Philippines	1	0.1%
38	Lithuania	1	0.1%