Rank	Countries/Territories	Count	Percent
1	United States	582	42.3%
2	China	405	29.4%
3	Germany	155	11.3%
4	Spain	31	2.3%
5	Japan	29	2.1%
6	France	20	1.5%
7	Canada	14	1%
8	Korea, Republic of	13	0.9%
9	Singapore	12	0.9%
10	Hong Kong	12	0.9%
11	Australia	10	0.7%
12	India	8	0.6%
13	Netherlands	7	0.5%
14	Denmark	6	0.4%
15	Argentina	6	0.4%
16	Taiwan	6	0.4%
17	Ukraine	6	0.4%
18	Algeria	4	0.3%
19	Ireland	4	0.3%
20	Russia	4	0.3%
21	Senegal	4	0.3%
22	Morocco	4	0.3%
23	Malaysia	3	0.2%
24	Bangladesh	3	0.2%
25	United Kingdom	3	0.2%
26	South Africa	3	0.2%
27	Viet Nam	2	0.1%
28	Sweden	2	0.1%
29	Brazil	2	0.1%
30	Cyprus	2	0.1%
31	Czech Republic	2	0.1%
32	Romania	2	0.1%
33	Slovakia	2	0.1%
34	Mongolia	1	0.1%
35	Norway	1	0.1%
36	Philippines	1	0.1%
37	Poland	1	0.1%
38	Latvia	1	0.1%
39	Ghana	1	0.1%
40	Bulgaria	1	0.1%
41	Israel	1	0.1%
42	Georgia	1	0.1%