排名	国家/地区	数量	占比
1	United States	510	46%
2	China	235	21.2%
3	Germany	111	10%
4	Russia	33	3%
5	Japan	26	2.3%
6	Korea, Republic of	18	1.6%
7	India	18	1.6%
8	France	17	1.5%
9	United Kingdom	17	1.5%
10	Canada	12	1.1%
11	Australia	11	1%
12	Singapore	11	1%
13	Netherlands	9	0.8%
14	Cyprus	8	0.7%
15	Hungary	8	0.7%
16	Ireland	8	0.7%
17	Israel	7	0.6%
18	Colombia	6	0.5%
19	Hong Kong	5	0.5%
20	Spain	5	0.5%
21	Pakistan	5	0.5%
22	Malaysia	4	0.4%
23	Latvia	3	0.3%
24	Thailand	3	0.3%
25	Indonesia	3	0.3%
26	Iran, Islamic Republic of	2	0.2%
27	Egypt	2	0.2%
28	Switzerland	2	0.2%
29	Taiwan	2	0.2%
30	Norway	1	0.1%
31	Mongolia	1	0.1%
32	Slovakia	1	0.1%
33	South Africa	1	0.1%
34	Denmark	1	0.1%
35	Brazil	1	0.1%
36	Italy	1	0.1%