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 184 65.2%
2 United States 38 13.5%
3 Netherlands 24 8.5%
4 Russia 8 2.8%
5 Germany 8 2.8%
6 France 5 1.8%
7 Canada 3 1.1%
8 Japan 2 0.7%
9 Thailand 2 0.7%
10 Ukraine 1 0.4%
11 Senegal 1 0.4%
12 Singapore 1 0.4%
13 Spain 1 0.4%
14 Malaysia 1 0.4%
15 Hong Kong 1 0.4%
16 Israel 1 0.4%
17 Czech Republic 1 0.4%