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 73 48%
2 Netherlands 23 15.1%
3 United States 16 10.5%
4 France 11 7.2%
5 Russia 10 6.6%
6 Germany 9 5.9%
7 Hong Kong 4 2.6%
8 Albania 2 1.3%
9 Sweden 1 0.7%
10 India 1 0.7%
11 Romania 1 0.7%
12 Czech Republic 1 0.7%