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 265 52.7%
2 United States 125 24.9%
3 Germany 41 8.2%
4 Taiwan 21 4.2%
5 Hong Kong 19 3.8%
6 France 14 2.8%
7 Russia 4 0.8%
8 Canada 3 0.6%
9 Japan 3 0.6%
10 Malaysia 2 0.4%
11 India 2 0.4%
12 Australia 2 0.4%
13 Ukraine 1 0.2%
14 United Kingdom 1 0.2%