Rank	Countries/Territories	Count	Percent
1	United States	542	39.3%
2	China	446	32.3%
3	Germany	118	8.6%
4	India	47	3.4%
5	Japan	42	3%
6	Egypt	41	3%
7	Canada	19	1.4%
8	Netherlands	17	1.2%
9	France	15	1.1%
10	Sweden	12	0.9%
11	United Kingdom	11	0.8%
12	Singapore	9	0.7%
13	Ireland	9	0.7%
14	Cyprus	5	0.4%
15	Australia	4	0.3%
16	Korea, Republic of	3	0.2%
17	Iran, Islamic Republic of	3	0.2%
18	Hong Kong	3	0.2%
19	Viet Nam	3	0.2%
20	Tunisia	3	0.2%
21	Russia	3	0.2%
22	Philippines	2	0.1%
23	Romania	2	0.1%
24	Norway	2	0.1%
25	Mongolia	2	0.1%
26	Israel	2	0.1%
27	Italy	2	0.1%
28	Austria	2	0.1%
29	Belgium	2	0.1%
30	Argentina	2	0.1%
31	Lithuania	1	0.1%
32	Thailand	1	0.1%
33	Ukraine	1	0.1%
34	Pakistan	1	0.1%
35	New Zealand	1	0.1%
36	Saudi Arabia	1	0.1%