排名	国家/地区	数量	占比
1	China	170	42.9%
2	United States	128	32.3%
3		19	4.8%
4	Japan	16	4%
5	Singapore	11	2.8%
6	France	9	2.3%
7	Germany	7	1.8%
8	Romania	6	1.5%
9	Congo, The Democratic Republic of The	5	1.3%
10	Argentina	2	0.5%
11	Australia	2	0.5%
12	Bangladesh	2	0.5%
13	Russia	2	0.5%
14	Viet Nam	2	0.5%
15	Slovakia	2	0.5%
16	South Africa	2	0.5%
17	Ukraine	2	0.5%
18	United Kingdom	1	0.3%
19	Brazil	1	0.3%
20	Canada	1	0.3%
21	Chile	1	0.3%
22	Austria	1	0.3%
23	Jordan	1	0.3%
24	Hungary	1	0.3%
25	India	1	0.3%
26	Ireland	1	0.3%