Rank	Countries/Territories	Count	Percent
1	United States	436	45.3%
2	China	222	23.1%
3	Germany	93	9.7%
4	Japan	50	5.2%
5	France	29	3%
6	India	18	1.9%
7	Spain	18	1.9%
8	United Kingdom	14	1.5%
9	Canada	11	1.1%
10	Netherlands	10	1%
11	Taiwan	8	0.8%
12	Australia	7	0.7%
13	Singapore	6	0.6%
14	Italy	5	0.5%
15	Sweden	4	0.4%
16	Cyprus	4	0.4%
17	Iran, Islamic Republic of	3	0.3%
18	Hong Kong	2	0.2%
19	Hungary	2	0.2%
20	Pakistan	2	0.2%
21	Czech Republic	2	0.2%
22	Belgium	2	0.2%
23	Argentina	2	0.2%
24	Bulgaria	2	0.2%
25	Korea, Republic of	2	0.2%
26	Malaysia	2	0.2%
27	Russia	2	0.2%
28	Saudi Arabia	1	0.1%
29	Brazil	1	0.1%
30	Poland	1	0.1%
31	Romania	1	0.1%
32	Iraq	1	0.1%