排名	国家/地区	数量	占比
1	China	499	69.2%
2	United States	131	18.2%
3	United Kingdom	23	3.2%
4	Japan	11	1.5%
5	Germany	8	1.1%
6	Australia	5	0.7%
7	Taiwan	5	0.7%
8	Romania	4	0.6%
9	Jordan	3	0.4%
10	Turkey	3	0.4%
11	Ukraine	3	0.4%
12	Singapore	3	0.4%
13	South Africa	3	0.4%
14	Mongolia	2	0.3%
15	Kazakhstan	2	0.3%
16	Russia	2	0.3%
17	Serbia	2	0.3%
18	Ghana	2	0.3%
19	France	2	0.3%
20	Georgia	1	0.1%
21	Czech Republic	1	0.1%
22	Denmark	1	0.1%
23	Bangladesh	1	0.1%
24	Belgium	1	0.1%
25	Brazil	1	0.1%
26	Malaysia	1	0.1%
27	Spain	1	0.1%