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 155 52.2%
2 United States 88 29.6%
3 France 19 6.4%
4 Netherlands 12 4%
5 Russia 7 2.4%
6 Germany 6 2%
7 Finland 3 1%
8 Australia 2 0.7%
9 Czech Republic 1 0.3%
10 India 1 0.3%
11 Israel 1 0.3%
12 Taiwan 1 0.3%
13 United Kingdom 1 0.3%