排名	国家/地区	数量	占比
1	China	538	47.6%
2	United States	346	30.6%
3	Netherlands	40	3.5%
4	Bulgaria	32	2.8%
5	Canada	20	1.8%
6	Germany	20	1.8%
7	Japan	18	1.6%
8	France	16	1.4%
9	Romania	15	1.3%
10	Cyprus	10	0.9%
11	Hong Kong	9	0.8%
12	Ukraine	7	0.6%
13	Australia	6	0.5%
14	United Kingdom	5	0.4%
15	Taiwan	5	0.4%
16	Viet Nam	5	0.4%
17	Russia	4	0.4%
18	Portugal	3	0.3%
19	Brazil	3	0.3%
20	India	3	0.3%
21	Iran, Islamic Republic of	2	0.2%
22	Ireland	2	0.2%
23	Italy	2	0.2%
24	Malaysia	2	0.2%
25	Thailand	2	0.2%
26	Turkey	2	0.2%
27	Mongolia	2	0.2%
28	Nigeria	2	0.2%
29	Philippines	1	0.1%
30	Singapore	1	0.1%
31	South Africa	1	0.1%
32	Sweden	1	0.1%
33	Mauritius	1	0.1%
34	Mexico	1	0.1%
35	Korea, Republic of	1	0.1%
36	Argentina	1	0.1%
37	Bangladesh	1	0.1%
38	Chile	1	0.1%