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 134 60.9%
2 France 18 8.2%
3 United States 18 8.2%
4 Netherlands 16 7.3%
5 Germany 9 4.1%
6 Singapore 6 2.7%
7 Hong Kong 5 2.3%
8 Russia 4 1.8%
9 Canada 3 1.4%
10 Czech Republic 2 0.9%
11 Taiwan 2 0.9%
12 Brazil 1 0.5%
13 Kazakhstan 1 0.5%
14 Malaysia 1 0.5%