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 197 49.6%
2 United States 130 32.7%
3 Germany 31 7.8%
4 Hong Kong 6 1.5%
5 United Kingdom 5 1.3%
6 Morocco 4 1%
7 Romania 4 1%
8 Brazil 3 0.8%
9 Canada 2 0.5%
10 Chile 2 0.5%
11 Japan 2 0.5%
12 Russia 2 0.5%
13 Netherlands 2 0.5%
14 Spain 2 0.5%
15 Singapore 1 0.3%
16 South Africa 1 0.3%
17 Argentina 1 0.3%
18 India 1 0.3%
19 France 1 0.3%