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 50 40.3%
2 Germany 17 13.7%
3 United States 13 10.5%
4 Netherlands 11 8.9%
5 Russia 11 8.9%
6 Canada 9 7.3%
7 India 3 2.4%
8 Jamaica 2 1.6%
9 Czech Republic 2 1.6%
10 France 2 1.6%
11 South Africa 2 1.6%
12 United Kingdom 1 0.8%
13 Brazil 1 0.8%