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 168 62.7%
2 Germany 43 16%
3 United States 40 14.9%
4 Netherlands 2 0.7%
5 Singapore 2 0.7%
6 Hong Kong 2 0.7%
7 Indonesia 2 0.7%
8 2 0.7%
9 Brazil 2 0.7%
10 France 1 0.4%
11 Macao 1 0.4%
12 Malaysia 1 0.4%
13 Ukraine 1 0.4%
14 United Kingdom 1 0.4%