排名	国家/地区	数量	占比
1	China	421	68.6%
2	United States	83	13.5%
3	Germany	35	5.7%
4	Canada	16	2.6%
5	United Kingdom	13	2.1%
6	Romania	6	1%
7	Hong Kong	5	0.8%
8	Japan	4	0.7%
9	Netherlands	3	0.5%
10	Singapore	3	0.5%
11	South Africa	3	0.5%
12	Spain	2	0.3%
13	India	2	0.3%
14	Bangladesh	2	0.3%
15	Brazil	2	0.3%
16	Russia	2	0.3%
17	Turkey	2	0.3%
18	France	2	0.3%
19	Turkmenistan	1	0.2%
20	Argentina	1	0.2%
21	Estonia	1	0.2%
22	Sweden	1	0.2%
23	New Zealand	1	0.2%
24	Poland	1	0.2%
25	Jordan	1	0.2%
26	Kazakhstan	1	0.2%