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 33 35.9%
2 China 18 19.6%
3 United Kingdom 14 15.2%
4 Russia 8 8.7%
5 Finland 3 3.3%
6 Hong Kong 3 3.3%
7 India 2 2.2%
8 Malaysia 2 2.2%
9 Moldova, Republic of 2 2.2%
10 Ukraine 2 2.2%
11 Netherlands 1 1.1%
12 Poland 1 1.1%
13 France 1 1.1%
14 Germany 1 1.1%
15 Estonia 1 1.1%