Rank	Countries/Territories	Count	Percent
1	United States	520	41%
2	China	266	21%
3	Germany	134	10.6%
4	India	85	6.7%
5	Russia	46	3.6%
6	Australia	43	3.4%
7	Chile	16	1.3%
8	Netherlands	14	1.1%
9	France	12	0.9%
10	Latvia	11	0.9%
11	United Kingdom	11	0.9%
12	Canada	9	0.7%
13	Japan	8	0.6%
14	Korea, Republic of	7	0.6%
15	Israel	7	0.6%
16	Bangladesh	7	0.6%
17	Brazil	7	0.6%
18	Hong Kong	7	0.6%
19	Italy	5	0.4%
20	Singapore	5	0.4%
21	Finland	4	0.3%
22	Ireland	4	0.3%
23	Cyprus	4	0.3%
24	Turkey	4	0.3%
25	Denmark	3	0.2%
26	Iran, Islamic Republic of	3	0.2%
27	Norway	3	0.2%
28	Kyrgyzstan	2	0.2%
29	Sweden	2	0.2%
30	Switzerland	2	0.2%
31	Iceland	2	0.2%
32	Egypt	2	0.2%
33	Argentina	2	0.2%
34	Romania	2	0.2%
35	Viet Nam	2	0.2%
36	Congo, The Democratic Republic of The	1	0.1%
37	Iraq	1	0.1%
38	Malaysia	1	0.1%
39	Slovakia	1	0.1%
40	Spain	1	0.1%
41	Pakistan	1	0.1%
42	Poland	1	0.1%