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 China 58 34.5%
2 United States 43 25.6%
3 United Kingdom 19 11.3%
4 Germany 19 11.3%
5 Russia 9 5.4%
6 France 7 4.2%
7 Estonia 3 1.8%
8 Czech Republic 2 1.2%
9 Hong Kong 2 1.2%
10 Netherlands 2 1.2%
11 Poland 1 0.6%
12 Moldova, Republic of 1 0.6%
13 Taiwan 1 0.6%
14 Ukraine 1 0.6%