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 247 57.8%
2 United States 81 19%
3 Canada 29 6.8%
4 Germany 29 6.8%
5 Hong Kong 10 2.3%
6 Russia 7 1.6%
7 Taiwan 4 0.9%
8 Australia 4 0.9%
9 New Zealand 3 0.7%
10 Portugal 2 0.5%
11 Turkmenistan 2 0.5%
12 United Kingdom 2 0.5%
13 India 2 0.5%
14 Japan 2 0.5%
15 Estonia 1 0.2%
16 Romania 1 0.2%
17 Singapore 1 0.2%