排名	国家/地区	数量	占比
1	China	268	67.7%
2	United States	76	19.2%
3	Hong Kong	13	3.3%
4	Germany	6	1.5%
5	Japan	5	1.3%
6	Sweden	3	0.8%
7	United Kingdom	3	0.8%
8	France	2	0.5%
9	South Africa	2	0.5%
10	Switzerland	2	0.5%
11	Taiwan	2	0.5%
12	Norway	2	0.5%
13	Guinea	2	0.5%
14	Australia	2	0.5%
15	Brazil	2	0.5%
16	Denmark	1	0.3%
17	India	1	0.3%
18	Palestine, State of	1	0.3%
19	Korea, Republic of	1	0.3%
20	United Arab Emirates	1	0.3%
21	Spain	1	0.3%