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 92 46%
2 United States 56 28%
3 France 10 5%
4 Sweden 8 4%
5 India 5 2.5%
6 Korea, Republic of 5 2.5%
7 Germany 4 2%
8 Philippines 4 2%
9 Russia 4 2%
10 Switzerland 2 1%
11 Hong Kong 2 1%
12 Finland 2 1%
13 Moldova, Republic of 1 0.5%
14 Netherlands 1 0.5%
15 Thailand 1 0.5%
16 Ukraine 1 0.5%
17 Canada 1 0.5%
18 Portugal 1 0.5%