Rank	Countries/Territories	Count	Percent
1	United States	645	49.7%
2	China	297	22.9%
3	Germany	71	5.5%
4	France	55	4.2%
5	Singapore	41	3.2%
6	India	31	2.4%
7	Japan	18	1.4%
8	Norway	17	1.3%
9	Canada	17	1.3%
10		16	1.2%
11	United Kingdom	16	1.2%
12	Australia	13	1%
13	Cyprus	9	0.7%
14	Netherlands	8	0.6%
15	Russia	4	0.3%
16	Ukraine	4	0.3%
17	Hong Kong	4	0.3%
18	Iran, Islamic Republic of	3	0.2%
19	Finland	3	0.2%
20	Argentina	3	0.2%
21	Georgia	2	0.2%
22	Sweden	2	0.2%
23	Italy	2	0.2%
24	South Africa	2	0.2%
25	Latvia	2	0.2%
26	Viet Nam	2	0.2%
27	Malaysia	1	0.1%
28	Mongolia	1	0.1%
29	Pakistan	1	0.1%
30	Poland	1	0.1%
31	Romania	1	0.1%
32	Spain	1	0.1%
33	Taiwan	1	0.1%
34	Ireland	1	0.1%
35	Brazil	1	0.1%
36	Czech Republic	1	0.1%
37	Egypt	1	0.1%