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 United States 47 34.3%
2 China 38 27.7%
3 Netherlands 16 11.7%
4 Kenya 11 8%
5 Nigeria 5 3.6%
6 Germany 5 3.6%
7 Colombia 3 2.2%
8 Canada 3 2.2%
9 Spain 3 2.2%
10 France 2 1.5%
11 Singapore 2 1.5%
12 Hong Kong 1 0.7%
13 Austria 1 0.7%