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 347 51.1%
2 United States 121 17.8%
3 Netherlands 94 13.8%
4 Germany 56 8.2%
5 Canada 12 1.8%
6 Turkey 12 1.8%
7 Taiwan 11 1.6%
8 France 10 1.5%
9 India 2 0.3%
10 Lithuania 2 0.3%
11 Austria 2 0.3%
12 Brazil 2 0.3%
13 United Kingdom 2 0.3%
14 Singapore 2 0.3%
15 Switzerland 2 0.3%
16 Russia 1 0.1%
17 Estonia 1 0.1%