排名	国家/地区	数量	占比
1	United States	294	34.1%
2	China	277	32.1%
3	Canada	70	8.1%
4	Germany	70	8.1%
5	Korea, Republic of	20	2.3%
6	Netherlands	18	2.1%
7	France	17	2%
8	India	11	1.3%
9	Cyprus	11	1.3%
10	Singapore	11	1.3%
11	Japan	8	0.9%
12	Ireland	6	0.7%
13	Taiwan	5	0.6%
14	Spain	4	0.5%
15	Italy	4	0.5%
16	Hong Kong	4	0.5%
17	Australia	4	0.5%
18	Austria	2	0.2%
19	Belize	2	0.2%
20	Brazil	2	0.2%
21	Iran, Islamic Republic of	2	0.2%
22	Slovakia	2	0.2%
23	Malaysia	2	0.2%
24	United Arab Emirates	2	0.2%
25	Thailand	2	0.2%
26	Turkey	1	0.1%
27	Ukraine	1	0.1%
28	Tajikistan	1	0.1%
29	Oman	1	0.1%
30	Russia	1	0.1%
31	Latvia	1	0.1%
32	Lebanon	1	0.1%
33	Iraq	1	0.1%
34	Israel	1	0.1%
35	Georgia	1	0.1%
36	Belarus	1	0.1%
37	Argentina	1	0.1%