排名	国家/地区	数量	占比
1	China	561	56.3%
2	United States	216	21.7%
3	Japan	33	3.3%
4	Canada	22	2.2%
5	Netherlands	20	2%
6	Hong Kong	19	1.9%
7	Ireland	16	1.6%
8	United Kingdom	12	1.2%
9	Singapore	11	1.1%
10	Taiwan	10	1%
11	Malaysia	10	1%
12	Germany	9	0.9%
13	Denmark	5	0.5%
14	Australia	5	0.5%
15	Romania	5	0.5%
16	Russia	5	0.5%
17	Thailand	3	0.3%
18	Slovakia	3	0.3%
19	Spain	3	0.3%
20		3	0.3%
21	Brazil	3	0.3%
22	France	3	0.3%
23	Equatorial Guinea	2	0.2%
24	Ukraine	2	0.2%
25	Sweden	2	0.2%
26	Papua New Guinea	2	0.2%
27	Kazakhstan	2	0.2%
28	Kuwait	1	0.1%
29	Mongolia	1	0.1%
30	Poland	1	0.1%
31	Sri Lanka	1	0.1%
32	Italy	1	0.1%
33	Iran, Islamic Republic of	1	0.1%
34	Congo, The Democratic Republic of The	1	0.1%
35	Albania	1	0.1%
36	Bangladesh	1	0.1%