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 261 59.7%
2 United States 98 22.4%
3 Germany 33 7.6%
4 Hong Kong 15 3.4%
5 Netherlands 4 0.9%
6 Russia 4 0.9%
7 South Africa 3 0.7%
8 Canada 3 0.7%
9 Taiwan 2 0.5%
10 Thailand 2 0.5%
11 United Kingdom 2 0.5%
12 Japan 2 0.5%
13 Malaysia 2 0.5%
14 New Zealand 1 0.2%
15 Poland 1 0.2%
16 India 1 0.2%
17 France 1 0.2%
18 Switzerland 1 0.2%
19 Singapore 1 0.2%