BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 90 59.2%
2 United States 23 15.1%
3 South Africa 14 9.2%
4 Germany 7 4.6%
5 Russia 3 2%
6 United Kingdom 3 2%
7 Taiwan 2 1.3%
8 Australia 2 1.3%
9 Hong Kong 2 1.3%
10 Italy 1 0.7%
11 Korea, Republic of 1 0.7%
12 Portugal 1 0.7%
13 Estonia 1 0.7%
14 France 1 0.7%
15 Sweden 1 0.7%