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 194 62.2%
2 United States 55 17.6%
3 Germany 42 13.5%
4 Netherlands 4 1.3%
5 Turkey 3 1%
6 United Kingdom 2 0.6%
7 Canada 2 0.6%
8 Singapore 2 0.6%
9 Taiwan 2 0.6%
10 Thailand 2 0.6%
11 India 2 0.6%
12 France 1 0.3%
13 Spain 1 0.3%