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 53 29.6%
2 United States 37 20.7%
3 Netherlands 17 9.5%
4 Russia 16 8.9%
5 France 11 6.1%
6 India 11 6.1%
7 Canada 7 3.9%
8 Germany 6 3.4%
9 Spain 4 2.2%
10 Taiwan 3 1.7%
11 United Kingdom 3 1.7%
12 Japan 3 1.7%
13 Mauritius 3 1.7%
14 Australia 2 1.1%
15 Brazil 2 1.1%
16 Hong Kong 1 0.6%