排名	国家/地区	数量	占比
1	China	165	52.4%
2	United States	86	27.3%
3	Canada	13	4.1%
4	Germany	10	3.2%
5	Hong Kong	7	2.2%
6	Malaysia	5	1.6%
7	Taiwan	4	1.3%
8	Iran, Islamic Republic of	3	1%
9	Australia	3	1%
10	Bangladesh	2	0.6%
11	Brazil	2	0.6%
12	France	2	0.6%
13	Italy	2	0.6%
14	Japan	2	0.6%
15	Ukraine	2	0.6%
16	Russia	2	0.6%
17	Singapore	2	0.6%
18	South Africa	2	0.6%
19	Netherlands	1	0.3%