排名	国家/地区	数量	占比
1	China	242	44.1%
2	United States	135	24.6%
3	Canada	41	7.5%
4	Germany	17	3.1%
5	South Africa	16	2.9%
6	Netherlands	14	2.6%
7	Singapore	11	2%
8	Ireland	9	1.6%
9	Cyprus	7	1.3%
10	Hong Kong	6	1.1%
11	France	6	1.1%
12	Japan	5	0.9%
13	Australia	5	0.9%
14	Romania	3	0.5%
15	Russia	3	0.5%
16	Slovakia	2	0.4%
17	Portugal	2	0.4%
18	Turkey	2	0.4%
19	Ukraine	2	0.4%
20	United Kingdom	2	0.4%
21	Argentina	2	0.4%
22	Brazil	2	0.4%
23	Denmark	2	0.4%
24	Iran, Islamic Republic of	2	0.4%
25	Kazakhstan	1	0.2%
26	Kyrgyzstan	1	0.2%
27	Malaysia	1	0.2%
28	Bangladesh	1	0.2%
29	Czech Republic	1	0.2%
30	Chile	1	0.2%
31	Turkmenistan	1	0.2%
32	Spain	1	0.2%
33	Switzerland	1	0.2%
34	Taiwan	1	0.2%
35	Italy	1	0.2%