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 392 52.3%
2 United States 145 19.4%
3 Netherlands 110 14.7%
4 Germany 42 5.6%
5 Canada 11 1.5%
6 Russia 11 1.5%
7 Ukraine 9 1.2%
8 France 7 0.9%
9 United Kingdom 6 0.8%
10 Hong Kong 5 0.7%
11 India 3 0.4%
12 Cambodia 3 0.4%
13 Japan 2 0.3%
14 Singapore 2 0.3%
15 Taiwan 1 0.1%