Rank	Countries/Territories	Count	Percent
1	United States	598	36.2%
2	China	487	29.5%
3	Germany	117	7.1%
4	India	74	4.5%
5	Japan	71	4.3%
6	France	70	4.2%
7	Korea, Republic of	28	1.7%
8	Switzerland	26	1.6%
9	Cyprus	19	1.2%
10	Netherlands	17	1%
11	Australia	16	1%
12	Egypt	12	0.7%
13	Singapore	11	0.7%
14	Ireland	10	0.6%
15	Argentina	10	0.6%
16	Taiwan	9	0.5%
17	Ukraine	8	0.5%
18	Canada	7	0.4%
19	Hong Kong	6	0.4%
20	Portugal	6	0.4%
21	United Kingdom	5	0.3%
22	Iran, Islamic Republic of	4	0.2%
23	Costa Rica	4	0.2%
24	Romania	3	0.2%
25	Russia	3	0.2%
26	Slovakia	3	0.2%
27	Italy	3	0.2%
28	Malaysia	2	0.1%
29	Mexico	2	0.1%
30	Latvia	2	0.1%
31	Philippines	2	0.1%
32	Denmark	2	0.1%
33	Thailand	2	0.1%
34	Nepal	2	0.1%
35	Viet Nam	1	0.1%
36	Bangladesh	1	0.1%
37	Belgium	1	0.1%
38	Brazil	1	0.1%
39	Poland	1	0.1%
40	South Africa	1	0.1%
41	Spain	1	0.1%
42	Libya	1	0.1%
43	Morocco	1	0.1%