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 48 50.5%
2 United States 15 15.8%
3 Netherlands 8 8.4%
4 France 5 5.3%
5 Germany 4 4.2%
6 Ireland 3 3.2%
7 Brazil 3 3.2%
8 Canada 2 2.1%
9 Czech Republic 2 2.1%
10 Indonesia 2 2.1%
11 India 1 1.1%
12 Spain 1 1.1%
13 Taiwan 1 1.1%