Rank	Countries/Territories	Count	Percent
1	United States	225	39.7%
2	China	110	19.4%
3	Germany	52	9.2%
4	Canada	36	6.3%
5	Singapore	19	3.4%
6	India	18	3.2%
7	France	15	2.6%
8	Australia	12	2.1%
9	United Kingdom	9	1.6%
10	Ireland	8	1.4%
11	Japan	7	1.2%
12	Korea, Republic of	7	1.2%
13	Spain	4	0.7%
14	Romania	3	0.5%
15	Thailand	3	0.5%
16	Poland	3	0.5%
17	Nepal	2	0.4%
18	Netherlands	2	0.4%
19	Peru	2	0.4%
20	Malaysia	2	0.4%
21	Ukraine	2	0.4%
22	United Arab Emirates	2	0.4%
23	Russia	2	0.4%
24	Saudi Arabia	2	0.4%
25	Belgium	2	0.4%
26	Bulgaria	2	0.4%
27	Cyprus	2	0.4%
28	Finland	2	0.4%
29	Colombia	1	0.2%
30	Chile	1	0.2%
31	Italy	1	0.2%
32	Argentina	1	0.2%
33	Indonesia	1	0.2%
34	Iran, Islamic Republic of	1	0.2%
35	Sweden	1	0.2%
36	Switzerland	1	0.2%
37	Taiwan	1	0.2%
38	Mexico	1	0.2%
39	Luxembourg	1	0.2%
40	Puerto Rico	1	0.2%