Rank	Countries/Territories	Count	Percent
1	United States	522	35.9%
2	China	449	30.9%
3	Germany	130	8.9%
4	France	50	3.4%
5	India	42	2.9%
6	Japan	27	1.9%
7	Italy	26	1.8%
8	Singapore	19	1.3%
9	Australia	18	1.2%
10	Netherlands	17	1.2%
11	Korea, Republic of	15	1%
12	United Kingdom	15	1%
13	Ireland	11	0.8%
14	Turkey	10	0.7%
15	Hong Kong	9	0.6%
16	Czech Republic	8	0.6%
17	Ukraine	8	0.6%
18	Cyprus	7	0.5%
19	Argentina	7	0.5%
20	Spain	7	0.5%
21	South Africa	6	0.4%
22	Romania	6	0.4%
23	Brazil	6	0.4%
24	Senegal	6	0.4%
25	Canada	5	0.3%
26	Iran, Islamic Republic of	4	0.3%
27	Bangladesh	3	0.2%
28	Mexico	3	0.2%
29	Mongolia	2	0.1%
30	Latvia	2	0.1%
31	Norway	2	0.1%
32	Sweden	2	0.1%
33	Belgium	2	0.1%
34	Colombia	2	0.1%
35	Israel	2	0.1%
36	Albania	1	0.1%
37	Poland	1	0.1%
38	Russia	1	0.1%
39	Lithuania	1	0.1%