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 154 51.5%
2 United States 74 24.7%
3 Germany 40 13.4%
4 Netherlands 4 1.3%
5 Australia 4 1.3%
6 Taiwan 4 1.3%
7 Canada 4 1.3%
8 United Kingdom 4 1.3%
9 Brazil 3 1%
10 Russia 2 0.7%
11 India 2 0.7%
12 Malaysia 2 0.7%
13 France 1 0.3%
14 Ukraine 1 0.3%