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 402 48.6%
2 Netherlands 169 20.4%
3 United States 161 19.5%
4 Germany 52 6.3%
5 Canada 12 1.5%
6 France 6 0.7%
7 Japan 5 0.6%
8 Taiwan 5 0.6%
9 Macao 4 0.5%
10 United Kingdom 3 0.4%
11 Russia 2 0.2%
12 Singapore 2 0.2%
13 Hong Kong 2 0.2%
14 India 2 0.2%