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 86 51.8%
2 United States 28 16.9%
3 Netherlands 22 13.3%
4 France 7 4.2%
5 Germany 7 4.2%
6 Hong Kong 5 3%
7 Czech Republic 3 1.8%
8 Brazil 2 1.2%
9 Viet Nam 2 1.2%
10 Poland 1 0.6%
11 Canada 1 0.6%
12 India 1 0.6%
13 Japan 1 0.6%