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 74 47.4%
2 United States 49 31.4%
3 France 12 7.7%
4 Germany 6 3.8%
5 Indonesia 2 1.3%
6 Belgium 2 1.3%
7 Brazil 2 1.3%
8 Moldova, Republic of 2 1.3%
9 Netherlands 2 1.3%
10 Russia 2 1.3%
11 Finland 1 0.6%
12 Japan 1 0.6%
13 India 1 0.6%