排名	国家/地区	数量	占比
1	China	320	43.5%
2	United States	204	27.8%
3	Canada	86	11.7%
4	Germany	30	4.1%
5	Netherlands	10	1.4%
6	United Kingdom	10	1.4%
7	Singapore	9	1.2%
8	France	9	1.2%
9	Japan	8	1.1%
10	Hong Kong	6	0.8%
11	India	5	0.7%
12	Cyprus	5	0.7%
13	Australia	3	0.4%
14	New Zealand	3	0.4%
15	Norway	3	0.4%
16	Poland	3	0.4%
17	Romania	3	0.4%
18	Russia	2	0.3%
19	Ukraine	2	0.3%
20	Iran, Islamic Republic of	2	0.3%
21	Denmark	2	0.3%
22	Ghana	1	0.1%
23	Belgium	1	0.1%
24	Brazil	1	0.1%
25	Chile	1	0.1%
26	Iraq	1	0.1%
27	Ireland	1	0.1%
28	Oman	1	0.1%
29	South Africa	1	0.1%
30	Spain	1	0.1%
31	Kazakhstan	1	0.1%