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 45 50%
2 United States 17 18.9%
3 South Africa 8 8.9%
4 Italy 4 4.4%
5 Canada 4 4.4%
6 Taiwan 2 2.2%
7 Japan 2 2.2%
8 Sweden 2 2.2%
9 Switzerland 1 1.1%
10 Russia 1 1.1%
11 Colombia 1 1.1%
12 Ethiopia 1 1.1%
13 Germany 1 1.1%
14 Hong Kong 1 1.1%