排名	国家/地区	数量	占比
1	United States	517	33.6%
2	China	502	32.6%
3	Germany	153	9.9%
4	Netherlands	44	2.9%
5	Russia	41	2.7%
6	Ireland	36	2.3%
7	France	29	1.9%
8	Japan	25	1.6%
9	Canada	25	1.6%
10	United Kingdom	24	1.6%
11	India	17	1.1%
12	Australia	17	1.1%
13	Switzerland	16	1%
14	Singapore	12	0.8%
15	Cyprus	10	0.7%
16	Taiwan	8	0.5%
17	Argentina	6	0.4%
18	Hong Kong	6	0.4%
19	Egypt	5	0.3%
20	Portugal	5	0.3%
21	Mongolia	4	0.3%
22	Iran, Islamic Republic of	3	0.2%
23	Brazil	3	0.2%
24	South Africa	3	0.2%
25	Korea, Republic of	3	0.2%
26	Viet Nam	3	0.2%
27	Latvia	2	0.1%
28	Lebanon	2	0.1%
29	Chile	2	0.1%
30	Bangladesh	2	0.1%
31	Sri Lanka	2	0.1%
32	Ukraine	2	0.1%
33	Mexico	2	0.1%
34	Norway	2	0.1%
35	Thailand	1	0.1%
36	Algeria	1	0.1%
37	Luxembourg	1	0.1%
38	Malaysia	1	0.1%
39	Georgia	1	0.1%