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 83 43.9%
2 United States 49 25.9%
3 Germany 20 10.6%
4 Netherlands 13 6.9%
5 South Africa 10 5.3%
6 Taiwan 3 1.6%
7 Romania 2 1.1%
8 Hong Kong 2 1.1%
9 India 2 1.1%
10 Italy 1 0.5%
11 Russia 1 0.5%
12 Saudi Arabia 1 0.5%
13 France 1 0.5%
14 Australia 1 0.5%