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 55 42.6%
2 United States 29 22.5%
3 South Africa 8 6.2%
4 Netherlands 8 6.2%
5 Germany 6 4.7%
6 Ireland 3 2.3%
7 Japan 3 2.3%
8 Russia 3 2.3%
9 Taiwan 3 2.3%
10 Switzerland 2 1.6%
11 France 2 1.6%
12 Australia 2 1.6%
13 Canada 2 1.6%
14 Singapore 1 0.8%
15 Ukraine 1 0.8%
16 United Kingdom 1 0.8%