排名	国家/地区	数量	占比
1	China	453	50.4%
2	United States	237	26.4%
3	Canada	40	4.5%
4	India	27	3%
5	Japan	24	2.7%
6	Germany	21	2.3%
7	Singapore	14	1.6%
8	Australia	13	1.4%
9	United Kingdom	12	1.3%
10	Cyprus	10	1.1%
11	Netherlands	10	1.1%
12	France	9	1%
13	Sweden	4	0.4%
14	Russia	3	0.3%
15	Ukraine	3	0.3%
16	Hong Kong	2	0.2%
17	Denmark	2	0.2%
18	Belgium	2	0.2%
19	Brazil	2	0.2%
20	South Africa	2	0.2%
21	Malaysia	2	0.2%
22	Iran, Islamic Republic of	2	0.2%
23	Ireland	2	0.2%
24	Romania	1	0.1%
25	Switzerland	1	0.1%