排名	国家/地区	数量	占比
1	China	637	45.5%
2	United States	412	29.4%
3	Canada	109	7.8%
4	Germany	57	4.1%
5	France	33	2.4%
6	Netherlands	31	2.2%
7	Singapore	18	1.3%
8	Cyprus	15	1.1%
9	Japan	13	0.9%
10	United Kingdom	10	0.7%
11	India	10	0.7%
12	Ireland	8	0.6%
13	Romania	6	0.4%
14	Australia	6	0.4%
15	Russia	4	0.3%
16	Latvia	3	0.2%
17	Ukraine	3	0.2%
18	Bangladesh	3	0.2%
19	Brazil	2	0.1%
20	Iran, Islamic Republic of	2	0.1%
21		2	0.1%
22	South Africa	2	0.1%
23	Spain	1	0.1%
24	Sweden	1	0.1%
25	Thailand	1	0.1%
26	Turkey	1	0.1%
27	United Arab Emirates	1	0.1%
28	Nepal	1	0.1%
29	Israel	1	0.1%
30	Slovakia	1	0.1%
31	Hong Kong	1	0.1%
32	Denmark	1	0.1%
33	Georgia	1	0.1%
34	Bulgaria	1	0.1%
35	Chile	1	0.1%
36	Congo, The Democratic Republic of The	1	0.1%
37	Viet Nam	1	0.1%