Rank	Countries/Territories	Count	Percent
1	United States	270	40.8%
2	China	159	24.1%
3	Germany	75	11.3%
4	United Kingdom	22	3.3%
5	Canada	21	3.2%
6	Spain	12	1.8%
7	Singapore	11	1.7%
8	India	8	1.2%
9	France	7	1.1%
10	Netherlands	6	0.9%
11	United Arab Emirates	6	0.9%
12	Nepal	5	0.8%
13	Australia	5	0.8%
14	Cyprus	4	0.6%
15	Hong Kong	4	0.6%
16	Italy	4	0.6%
17	Japan	4	0.6%
18	South Africa	3	0.5%
19	Russia	3	0.5%
20	Ukraine	2	0.3%
21	Norway	2	0.3%
22	Pakistan	2	0.3%
23	Philippines	2	0.3%
24	Poland	2	0.3%
25	Korea, Republic of	2	0.3%
26	Denmark	2	0.3%
27	Ethiopia	2	0.3%
28	Colombia	2	0.3%
29	Croatia	2	0.3%
30	Belgium	2	0.3%
31	Chile	2	0.3%
32	Malaysia	1	0.2%
33	Kenya	1	0.2%
34	Indonesia	1	0.2%
35	Ireland	1	0.2%
36	Switzerland	1	0.2%
37	Tanzania, United Republic of	1	0.2%
38	Thailand	1	0.2%
39	Viet Nam	1	0.2%