Rank	Countries/Territories	Count	Percent
1	United States	582	38.6%
2	China	403	26.7%
3	Germany	111	7.4%
4	France	68	4.5%
5	Japan	68	4.5%
6	India	63	4.2%
7	Korea, Republic of	28	1.9%
8	Switzerland	26	1.7%
9	Cyprus	18	1.2%
10	Australia	16	1.1%
11	Netherlands	15	1%
12	Egypt	12	0.8%
13	Singapore	11	0.7%
14	Argentina	10	0.7%
15	Ireland	8	0.5%
16	Taiwan	7	0.5%
17	Canada	7	0.5%
18	Hong Kong	6	0.4%
19	Portugal	6	0.4%
20	Ukraine	5	0.3%
21	Iran, Islamic Republic of	4	0.3%
22	Costa Rica	4	0.3%
23	Russia	3	0.2%
24	Slovakia	3	0.2%
25	United Kingdom	3	0.2%
26	Thailand	2	0.1%
27	Philippines	2	0.1%
28	Malaysia	2	0.1%
29	Mexico	2	0.1%
30	Nepal	2	0.1%
31	Latvia	2	0.1%
32	Denmark	2	0.1%
33	Bangladesh	1	0.1%
34	Belgium	1	0.1%
35	Brazil	1	0.1%
36	Libya	1	0.1%
37	Poland	1	0.1%
38	Spain	1	0.1%
39	Romania	1	0.1%
40	Viet Nam	1	0.1%