排名	国家/地区	数量	占比
1	China	731	50.3%
2	United States	337	23.2%
3	Canada	130	9%
4	Germany	72	5%
5	India	37	2.5%
6	France	31	2.1%
7	Netherlands	24	1.7%
8	Cyprus	13	0.9%
9	United Kingdom	12	0.8%
10	Japan	9	0.6%
11	South Africa	7	0.5%
12	Romania	6	0.4%
13	Norway	4	0.3%
14	Taiwan	4	0.3%
15	Australia	4	0.3%
16	New Zealand	3	0.2%
17	Iran, Islamic Republic of	3	0.2%
18	Poland	3	0.2%
19	Singapore	3	0.2%
20	Slovakia	3	0.2%
21	Thailand	2	0.1%
22	Ukraine	2	0.1%
23	United Arab Emirates	1	0.1%
24	Turkmenistan	1	0.1%
25	Spain	1	0.1%
26	Portugal	1	0.1%
27	Russia	1	0.1%
28	Iraq	1	0.1%
29	Hong Kong	1	0.1%
30	Jordan	1	0.1%
31	Bangladesh	1	0.1%
32	Brazil	1	0.1%
33	Denmark	1	0.1%
34	Equatorial Guinea	1	0.1%