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 44 34.1%
2 United States 24 18.6%
3 France 19 14.7%
4 Netherlands 14 10.9%
5 Sweden 8 6.2%
6 Germany 7 5.4%
7 Russia 5 3.9%
8 Lithuania 2 1.6%
9 Ukraine 2 1.6%
10 United Arab Emirates 2 1.6%
11 Turkey 1 0.8%
12 Iran, Islamic Republic of 1 0.8%