Rank	Countries/Territories	Count	Percent
1	United States	327	35.6%
2	China	231	25.1%
3	Germany	98	10.7%
4	India	63	6.9%
5	France	25	2.7%
6	Singapore	24	2.6%
7	Puerto Rico	18	2%
8	Canada	12	1.3%
9	Australia	11	1.2%
10	Mexico	10	1.1%
11	Korea, Republic of	9	1%
12	Netherlands	9	1%
13	Philippines	8	0.9%
14	Norway	7	0.8%
15	Russia	6	0.7%
16	Cyprus	5	0.5%
17	Hong Kong	4	0.4%
18	Italy	4	0.4%
19	Japan	4	0.4%
20	Portugal	4	0.4%
21	Morocco	3	0.3%
22	Austria	3	0.3%
23	Bulgaria	3	0.3%
24	Venezuela, Bolivarian Republic of	3	0.3%
25	Switzerland	3	0.3%
26	United Kingdom	3	0.3%
27	Taiwan	2	0.2%
28	Argentina	2	0.2%
29	Colombia	2	0.2%
30	Ireland	2	0.2%
31	Mongolia	2	0.2%
32	Saudi Arabia	2	0.2%
33	Senegal	2	0.2%
34	Slovakia	1	0.1%
35	Latvia	1	0.1%
36	Israel	1	0.1%
37	Costa Rica	1	0.1%
38	Croatia	1	0.1%
39	Bangladesh	1	0.1%
40	Ukraine	1	0.1%
41	Viet Nam	1	0.1%