排名	国家/地区	数量	占比
1	China	217	58.8%
2	United States	88	23.8%
3	Germany	20	5.4%
4	Singapore	10	2.7%
5	Switzerland	3	0.8%
6	Bangladesh	3	0.8%
7	Canada	3	0.8%
8	Ukraine	3	0.8%
9	Australia	2	0.5%
10	Denmark	2	0.5%
11	France	2	0.5%
12	Slovakia	2	0.5%
13	South Africa	2	0.5%
14	Japan	2	0.5%
15	Poland	2	0.5%
16	Romania	1	0.3%
17	Taiwan	1	0.3%
18	Thailand	1	0.3%
19	Turkey	1	0.3%
20	India	1	0.3%
21	Italy	1	0.3%
22	Belgium	1	0.3%
23	United Kingdom	1	0.3%