排名	国家/地区	数量	占比
1	China	518	71.8%
2	United States	99	13.7%
3	Germany	26	3.6%
4	Japan	19	2.6%
5	United Kingdom	9	1.2%
6	Hong Kong	8	1.1%
7	Singapore	7	1%
8	Ukraine	5	0.7%
9	Romania	3	0.4%
10	Kazakhstan	3	0.4%
11	Australia	3	0.4%
12	Bangladesh	2	0.3%
13	Belgium	2	0.3%
14	India	2	0.3%
15	Denmark	2	0.3%
16	South Africa	2	0.3%
17	Russia	2	0.3%
18	Poland	2	0.3%
19	Uzbekistan	1	0.1%
20	South Sudan	1	0.1%
21	Switzerland	1	0.1%
22	Korea, Republic of	1	0.1%
23	Malaysia	1	0.1%
24	Georgia	1	0.1%
25	Canada	1	0.1%