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 26 32.9%
2 United States 20 25.3%
3 United Kingdom 11 13.9%
4 Russia 8 10.1%
5 Germany 5 6.3%
6 France 2 2.5%
7 India 2 2.5%
8 Moldova, Republic of 1 1.3%
9 Poland 1 1.3%
10 Spain 1 1.3%
11 Ukraine 1 1.3%
12 Hong Kong 1 1.3%