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 124 49.6%
2 United States 56 22.4%
3 Netherlands 25 10%
4 Germany 13 5.2%
5 Hong Kong 12 4.8%
6 Taiwan 6 2.4%
7 Portugal 5 2%
8 Russia 3 1.2%
9 Senegal 2 0.8%
10 United Kingdom 2 0.8%
11 Japan 1 0.4%
12 France 1 0.4%