排名	国家/地区	数量	占比
1	United States	582	39.7%
2	China	301	20.5%
3	Germany	111	7.6%
4	Latvia	46	3.1%
5	Nepal	42	2.9%
6	Singapore	33	2.2%
7	India	32	2.2%
8	Japan	22	1.5%
9	Canada	21	1.4%
10	France	21	1.4%
11	Taiwan	19	1.3%
12	Netherlands	19	1.3%
13	Australia	18	1.2%
14	Thailand	13	0.9%
15	Ukraine	13	0.9%
16	Morocco	12	0.8%
17	Ireland	11	0.7%
18	Korea, Republic of	9	0.6%
19	Cyprus	9	0.6%
20	Pakistan	9	0.6%
21	Romania	9	0.6%
22	United Kingdom	8	0.5%
23	Egypt	8	0.5%
24	Iran, Islamic Republic of	8	0.5%
25	Iraq	7	0.5%
26	Hong Kong	6	0.4%
27	Indonesia	6	0.4%
28	Viet Nam	5	0.3%
29	Switzerland	5	0.3%
30	United Arab Emirates	4	0.3%
31	Mongolia	4	0.3%
32	Malaysia	3	0.2%
33	Mauritius	3	0.2%
34	Kenya	3	0.2%
35	Cambodia	3	0.2%
36	Ethiopia	3	0.2%
37	Argentina	3	0.2%
38	Sweden	3	0.2%
39	Saudi Arabia	3	0.2%
40	Togo	3	0.2%
41	Sri Lanka	3	0.2%
42	Slovakia	2	0.1%
43	Turkey	2	0.1%
44	Nigeria	2	0.1%
45	Zambia	2	0.1%
46	Ghana	2	0.1%
47	Moldova, Republic of	2	0.1%
48	Namibia	2	0.1%
49	Jordan	1	0.1%
50	Italy	1	0.1%
51	Cameroon	1	0.1%
52	Albania	1	0.1%
53	Bangladesh	1	0.1%
54	Rwanda	1	0.1%
55	Peru	1	0.1%
56	Poland	1	0.1%
57	New Zealand	1	0.1%
58	Sudan	1	0.1%