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 431 48.6%
2 Netherlands 159 17.9%
3 United States 147 16.6%
4 Germany 44 5%
5 France 39 4.4%
6 Canada 15 1.7%
7 Korea, Republic of 14 1.6%
8 Hong Kong 10 1.1%
9 Turkey 8 0.9%
10 Taiwan 4 0.5%
11 Ukraine 3 0.3%
12 India 3 0.3%
13 Iran, Islamic Republic of 2 0.2%
14 Ireland 2 0.2%
15 Brazil 2 0.2%
16 Spain 2 0.2%
17 United Kingdom 1 0.1%
18 Uzbekistan 1 0.1%