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 267 56%
2 United States 127 26.6%
3 Germany 35 7.3%
4 Hong Kong 13 2.7%
5 Netherlands 6 1.3%
6 New Zealand 4 0.8%
7 Taiwan 4 0.8%
8 United Kingdom 4 0.8%
9 Macao 4 0.8%
10 Australia 3 0.6%
11 Canada 2 0.4%
12 Romania 2 0.4%
13 Russia 2 0.4%
14 Japan 2 0.4%
15 Singapore 1 0.2%
16 France 1 0.2%