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 151 53.2%
2 United States 59 20.8%
3 Germany 30 10.6%
4 Netherlands 15 5.3%
5 France 5 1.8%
6 Russia 4 1.4%
7 Switzerland 3 1.1%
8 Japan 3 1.1%
9 Hong Kong 2 0.7%
10 India 2 0.7%
11 Australia 2 0.7%
12 Cyprus 2 0.7%
13 United Kingdom 2 0.7%
14 Singapore 2 0.7%
15 Romania 1 0.4%
16 Latvia 1 0.4%