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 720 84.3%
2 United States 68 8%
3 Germany 27 3.2%
4 Japan 12 1.4%
5 Hong Kong 8 0.9%
6 Taiwan 6 0.7%
7 Tunisia 2 0.2%
8 United Kingdom 2 0.2%
9 Poland 2 0.2%
10 India 2 0.2%
11 Ghana 1 0.1%
12 France 1 0.1%
13 1 0.1%
14 Canada 1 0.1%
15 Romania 1 0.1%