排名	国家/地区	数量	占比
1	China	286	32.5%
2	United States	265	30.1%
3	Canada	128	14.5%
4	Germany	55	6.2%
5	Russia	23	2.6%
6	Singapore	14	1.6%
7	Cyprus	14	1.6%
8	France	14	1.6%
9	India	11	1.2%
10	Netherlands	10	1.1%
11	Ukraine	9	1%
12	Romania	8	0.9%
13	Korea, Republic of	7	0.8%
14	Japan	6	0.7%
15	Ireland	5	0.6%
16	Australia	3	0.3%
17	Taiwan	3	0.3%
18	United Kingdom	2	0.2%
19	Malaysia	2	0.2%
20	Azerbaijan	2	0.2%
21	Indonesia	2	0.2%
22	Iran, Islamic Republic of	2	0.2%
23	Georgia	1	0.1%
24	Italy	1	0.1%
25	Jordan	1	0.1%
26	Latvia	1	0.1%
27	Slovakia	1	0.1%
28	South Africa	1	0.1%
29	Viet Nam	1	0.1%
30	Tajikistan	1	0.1%
31	United Arab Emirates	1	0.1%