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 74 43.3%
2 United States 20 11.7%
3 Netherlands 18 10.5%
4 Poland 17 9.9%
5 Canada 7 4.1%
6 Germany 6 3.5%
7 Hong Kong 6 3.5%
8 5 2.9%
9 Russia 5 2.9%
10 Japan 5 2.9%
11 South Africa 2 1.2%
12 France 2 1.2%
13 Iraq 2 1.2%
14 Israel 1 0.6%
15 Spain 1 0.6%