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 125 57.6%
2 United States 38 17.5%
3 Germany 18 8.3%
4 Kenya 8 3.7%
5 Netherlands 8 3.7%
6 Taiwan 4 1.8%
7 Korea, Republic of 4 1.8%
8 France 3 1.4%
9 Australia 2 0.9%
10 Singapore 2 0.9%
11 Spain 1 0.5%
12 Sweden 1 0.5%
13 Russia 1 0.5%
14 Brazil 1 0.5%
15 Hong Kong 1 0.5%