排名	国家/地区	数量	占比
1	United States	588	40.1%
2	China	382	26.1%
3	Germany	118	8.1%
4	Japan	103	7%
5	France	85	5.8%
6	India	30	2%
7	Latvia	16	1.1%
8	Iran, Islamic Republic of	15	1%
9	Korea, Republic of	14	1%
10	Hong Kong	12	0.8%
11	Netherlands	12	0.8%
12	Taiwan	11	0.8%
13	United Kingdom	6	0.4%
14	Singapore	6	0.4%
15	Ireland	5	0.3%
16	Cyprus	5	0.3%
17	Argentina	5	0.3%
18	Australia	5	0.3%
19	Canada	4	0.3%
20	Slovakia	4	0.3%
21	Poland	4	0.3%
22	Romania	4	0.3%
23	Mongolia	4	0.3%
24	Viet Nam	4	0.3%
25	Turkey	4	0.3%
26	Russia	2	0.1%
27	Spain	2	0.1%
28	Czech Republic	2	0.1%
29	Bangladesh	2	0.1%
30	Belgium	2	0.1%
31	Brazil	2	0.1%
32	Italy	2	0.1%
33	Iraq	2	0.1%
34	Norway	1	0.1%
35	Ukraine	1	0.1%
36	Thailand	1	0.1%