Rank	Countries/Territories	Count	Percent
1	United States	509	42.7%
2	China	303	25.4%
3	Germany	70	5.9%
4	Japan	31	2.6%
5	India	30	2.5%
6	France	29	2.4%
7	Netherlands	22	1.8%
8	Korea, Republic of	14	1.2%
9	Serbia	14	1.2%
10	Norway	12	1%
11	Ireland	12	1%
12	United Kingdom	12	1%
13	Turkey	11	0.9%
14	Singapore	11	0.9%
15	Australia	11	0.9%
16	Canada	9	0.8%
17	Indonesia	9	0.8%
18	Taiwan	9	0.8%
19	Brazil	8	0.7%
20	Finland	7	0.6%
21	Cyprus	7	0.6%
22	Egypt	7	0.6%
23	Italy	7	0.6%
24	Argentina	5	0.4%
25	Hong Kong	4	0.3%
26	Jordan	3	0.3%
27	Greece	3	0.3%
28	Ukraine	3	0.3%
29	Viet Nam	2	0.2%
30	Ethiopia	2	0.2%
31	Qatar	2	0.2%
32	Romania	2	0.2%
33	Russia	2	0.2%
34	Sweden	2	0.2%
35	Switzerland	1	0.1%
36	Spain	1	0.1%
37	Mongolia	1	0.1%
38	Algeria	1	0.1%
39	Belgium	1	0.1%
40	Iraq	1	0.1%
41	Venezuela, Bolivarian Republic of	1	0.1%