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 119 75.3%
2 Netherlands 6 3.8%
3 United States 6 3.8%
4 Germany 4 2.5%
5 Hong Kong 4 2.5%
6 Japan 4 2.5%
7 United Kingdom 3 1.9%
8 Singapore 2 1.3%
9 Taiwan 2 1.3%
10 Austria 2 1.3%
11 Canada 2 1.3%
12 Australia 1 0.6%
13 Brazil 1 0.6%
14 Czech Republic 1 0.6%
15 France 1 0.6%