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 201 59.1%
2 United States 57 16.8%
3 Germany 32 9.4%
4 Hong Kong 8 2.4%
5 Russia 6 1.8%
6 Singapore 5 1.5%
7 Netherlands 5 1.5%
8 United Kingdom 4 1.2%
9 Canada 4 1.2%
10 Japan 3 0.9%
11 Turkmenistan 3 0.9%
12 Ukraine 3 0.9%
13 Sweden 2 0.6%
14 Korea, Republic of 2 0.6%
15 Brazil 2 0.6%
16 France 2 0.6%
17 Turkey 1 0.3%