Rank	Countries/Territories	Count	Percent
1	United States	513	42.1%
2	China	335	27.5%
3	Germany	111	9.1%
4	Japan	53	4.4%
5	France	53	4.4%
6	India	19	1.6%
7	Spain	18	1.5%
8	United Kingdom	16	1.3%
9	Canada	15	1.2%
10	Australia	11	0.9%
11	Netherlands	11	0.9%
12	Taiwan	8	0.7%
13	Singapore	8	0.7%
14	Cyprus	7	0.6%
15	Italy	5	0.4%
16	Sweden	4	0.3%
17	Iran, Islamic Republic of	3	0.2%
18	Hong Kong	3	0.2%
19	Hungary	2	0.2%
20	Korea, Republic of	2	0.2%
21	Malaysia	2	0.2%
22	Czech Republic	2	0.2%
23	Belgium	2	0.2%
24	Argentina	2	0.2%
25	Bulgaria	2	0.2%
26	Pakistan	2	0.2%
27	Russia	2	0.2%
28	Saudi Arabia	2	0.2%
29	Poland	1	0.1%
30	Romania	1	0.1%
31	Brazil	1	0.1%
32	Norway	1	0.1%
33	Iraq	1	0.1%