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 93 55.7%
2 United States 49 29.3%
3 Germany 5 3%
4 Hong Kong 4 2.4%
5 United Kingdom 4 2.4%
6 Japan 3 1.8%
7 Russia 2 1.2%
8 Taiwan 2 1.2%
9 Ukraine 1 0.6%
10 France 1 0.6%
11 Korea, Republic of 1 0.6%
12 Netherlands 1 0.6%
13 Australia 1 0.6%