BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 139 47.8%
2 United States 59 20.3%
3 Germany 23 7.9%
4 Singapore 18 6.2%
5 Taiwan 11 3.8%
6 Japan 9 3.1%
7 Hong Kong 8 2.7%
8 France 4 1.4%
9 Netherlands 4 1.4%
10 3 1%
11 Australia 3 1%
12 Canada 2 0.7%
13 Finland 2 0.7%
14 Malaysia 2 0.7%
15 Moldova, Republic of 2 0.7%
16 Mongolia 2 0.7%