排名	国家/地区	数量	占比
1	China	427	34.4%
2	United States	421	33.9%
3	Canada	151	12.2%
4	Germany	67	5.4%
5	Russia	23	1.9%
6	France	20	1.6%
7	Cyprus	17	1.4%
8	Singapore	15	1.2%
9	Netherlands	15	1.2%
10	India	14	1.1%
11	Ukraine	10	0.8%
12	Romania	9	0.7%
13	Korea, Republic of	7	0.6%
14	Taiwan	7	0.6%
15	Japan	6	0.5%
16	Ireland	5	0.4%
17	Australia	3	0.2%
18	United Kingdom	3	0.2%
19	Malaysia	2	0.2%
20	Slovakia	2	0.2%
21	Azerbaijan	2	0.2%
22	Bangladesh	2	0.2%
23	Indonesia	2	0.2%
24	Iran, Islamic Republic of	2	0.2%
25	Hong Kong	1	0.1%
26	Italy	1	0.1%
27	Jordan	1	0.1%
28	Congo, The Democratic Republic of The	1	0.1%
29	Georgia	1	0.1%
30	South Africa	1	0.1%
31	Latvia	1	0.1%
32	Viet Nam	1	0.1%
33	Tajikistan	1	0.1%
34	United Arab Emirates	1	0.1%