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 56 45.5%
2 United States 23 18.7%
3 Germany 10 8.1%
4 France 9 7.3%
5 Netherlands 6 4.9%
6 Australia 4 3.3%
7 Singapore 3 2.4%
8 United Kingdom 2 1.6%
9 Austria 2 1.6%
10 India 2 1.6%
11 Japan 2 1.6%
12 Malaysia 1 0.8%
13 Hong Kong 1 0.8%
14 Canada 1 0.8%
15 Russia 1 0.8%