BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 94 64.8%
2 United States 23 15.9%
3 6 4.1%
4 Russia 5 3.4%
5 Ukraine 4 2.8%
6 Netherlands 3 2.1%
7 Canada 2 1.4%
8 Hong Kong 2 1.4%
9 Italy 1 0.7%
10 Japan 1 0.7%
11 Malaysia 1 0.7%
12 France 1 0.7%
13 United Kingdom 1 0.7%
14 South Africa 1 0.7%