排名	国家/地区	数量	占比
1	China	141	45.2%
2	United States	97	31.1%
3	Canada	15	4.8%
4	Japan	10	3.2%
5	Germany	7	2.2%
6	Australia	6	1.9%
7	Romania	4	1.3%
8	Singapore	4	1.3%
9	Slovakia	4	1.3%
10	Netherlands	3	1%
11	France	3	1%
12	Hong Kong	3	1%
13	India	3	1%
14	Bangladesh	2	0.6%
15	South Africa	2	0.6%
16	Switzerland	2	0.6%
17	United Kingdom	2	0.6%
18	Turkey	1	0.3%
19	Poland	1	0.3%
20	Russia	1	0.3%
21	Malaysia	1	0.3%