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 145 51.2%
2 United States 57 20.1%
3 Germany 35 12.4%
4 France 20 7.1%
5 Netherlands 16 5.7%
6 Hong Kong 4 1.4%
7 Moldova, Republic of 2 0.7%
8 Denmark 1 0.4%
9 Pakistan 1 0.4%
10 Russia 1 0.4%
11 United Kingdom 1 0.4%