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 113 67.3%
2 United States 26 15.5%
3 Germany 7 4.2%
4 Hong Kong 3 1.8%
5 India 3 1.8%
6 Russia 3 1.8%
7 Ukraine 3 1.8%
8 Turkey 2 1.2%
9 France 2 1.2%
10 Japan 2 1.2%
11 Korea, Republic of 2 1.2%
12 United Kingdom 1 0.6%
13 Brazil 1 0.6%