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 119 49.2%
2 United States 52 21.5%
3 Germany 23 9.5%
4 Japan 7 2.9%
5 United Kingdom 6 2.5%
6 France 6 2.5%
7 Taiwan 5 2.1%
8 Russia 4 1.7%
9 Senegal 3 1.2%
10 Netherlands 3 1.2%
11 New Zealand 3 1.2%
12 India 2 0.8%
13 Singapore 2 0.8%
14 Ukraine 2 0.8%
15 Brazil 1 0.4%
16 Korea, Republic of 1 0.4%
17 Philippines 1 0.4%
18 Poland 1 0.4%
19 Romania 1 0.4%