排名	国家/地区	数量	占比
1	China	459	46.3%
2	United States	301	30.4%
3	Canada	38	3.8%
4	France	35	3.5%
5	Netherlands	34	3.4%
6	Japan	20	2%
7	Cyprus	15	1.5%
8	Germany	15	1.5%
9	Singapore	8	0.8%
10	Australia	6	0.6%
11	Hong Kong	5	0.5%
12	South Africa	5	0.5%
13	United Kingdom	5	0.5%
14	Taiwan	5	0.5%
15	Romania	4	0.4%
16	Bulgaria	4	0.4%
17	Cote D'ivoire	3	0.3%
18	Ireland	3	0.3%
19	Malaysia	3	0.3%
20	Mauritius	3	0.3%
21	Russia	3	0.3%
22	Spain	2	0.2%
23	Switzerland	2	0.2%
24	Thailand	2	0.2%
25	Ukraine	2	0.2%
26	Latvia	2	0.2%
27	India	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Mongolia	1	0.1%
30	Korea, Republic of	1	0.1%
31	Norway	1	0.1%