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 67 50.4%
2 Netherlands 16 12%
3 United States 12 9%
4 Germany 10 7.5%
5 Russia 8 6%
6 France 7 5.3%
7 Brazil 3 2.3%
8 Canada 2 1.5%
9 Czech Republic 2 1.5%
10 Hong Kong 2 1.5%
11 Ukraine 2 1.5%
12 Thailand 1 0.8%
13 Australia 1 0.8%