BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 42 42.9%
2 China 24 24.5%
3 United Kingdom 10 10.2%
4 Russia 7 7.1%
5 Germany 3 3.1%
6 Hong Kong 2 2%
7 India 2 2%
8 Czech Republic 2 2%
9 Estonia 2 2%
10 Finland 1 1%
11 France 1 1%
12 Moldova, Republic of 1 1%
13 Australia 1 1%