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 239 62.6%
2 United States 60 15.7%
3 Germany 44 11.5%
4 Canada 19 5%
5 Hong Kong 5 1.3%
6 France 2 0.5%
7 Brazil 2 0.5%
8 Netherlands 2 0.5%
9 Romania 2 0.5%
10 Russia 2 0.5%
11 Ukraine 2 0.5%
12 Australia 1 0.3%
13 India 1 0.3%
14 Macao 1 0.3%