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 76 37.8%
2 United States 46 22.9%
3 South Africa 24 11.9%
4 Germany 14 7%
5 India 11 5.5%
6 Korea, Republic of 10 5%
7 Netherlands 5 2.5%
8 Hong Kong 4 2%
9 Russia 3 1.5%
10 Japan 2 1%
11 Australia 1 0.5%
12 Italy 1 0.5%
13 Colombia 1 0.5%
14 France 1 0.5%
15 Switzerland 1 0.5%
16 Taiwan 1 0.5%