Rank	Countries/Territories	Count	Percent
1	United States	474	36.8%
2	China	367	28.5%
3	Bulgaria	104	8.1%
4	Germany	86	6.7%
5	Singapore	32	2.5%
6	Russia	25	1.9%
7	Japan	22	1.7%
8	India	20	1.6%
9	France	16	1.2%
10	Spain	12	0.9%
11	Hong Kong	10	0.8%
12	Korea, Republic of	10	0.8%
13	Canada	8	0.6%
14	Israel	7	0.5%
15	Taiwan	7	0.5%
16	Thailand	7	0.5%
17	United Kingdom	7	0.5%
18	Netherlands	6	0.5%
19	Italy	5	0.4%
20	Turkey	5	0.4%
21	Sri Lanka	4	0.3%
22	Norway	4	0.3%
23	Australia	4	0.3%
24	Greece	4	0.3%
25	Poland	3	0.2%
26	Serbia	3	0.2%
27	Romania	2	0.2%
28	Sweden	2	0.2%
29	South Africa	2	0.2%
30	Viet Nam	2	0.2%
31	Saudi Arabia	2	0.2%
32	Pakistan	2	0.2%
33	Peru	2	0.2%
34	Egypt	2	0.2%
35	Mexico	2	0.2%
36	Iran, Islamic Republic of	2	0.2%
37	Croatia	2	0.2%
38	Cyprus	2	0.2%
39	Ecuador	1	0.1%
40	Bangladesh	1	0.1%
41	Chile	1	0.1%
42	Ireland	1	0.1%
43	Hungary	1	0.1%
44	Gambia	1	0.1%
45	Lebanon	1	0.1%
46	Lithuania	1	0.1%
47	North Macedonia	1	0.1%
48	Portugal	1	0.1%
49	Slovakia	1	0.1%