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 87 41%
2 United States 31 14.6%
3 France 20 9.4%
4 Netherlands 16 7.5%
5 Germany 14 6.6%
6 Canada 11 5.2%
7 Chile 6 2.8%
8 Russia 5 2.4%
9 Japan 4 1.9%
10 Austria 4 1.9%
11 Spain 3 1.4%
12 Mauritius 2 0.9%
13 United Kingdom 2 0.9%
14 Poland 2 0.9%
15 Iran, Islamic Republic of 2 0.9%
16 Hong Kong 1 0.5%
17 Korea, Republic of 1 0.5%
18 Turkey 1 0.5%