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 182 61.7%
2 United States 42 14.2%
3 Germany 23 7.8%
4 Canada 19 6.4%
5 Hong Kong 6 2%
6 Japan 5 1.7%
7 Singapore 5 1.7%
8 France 4 1.4%
9 Netherlands 2 0.7%
10 Romania 2 0.7%
11 Russia 1 0.3%
12 Kazakhstan 1 0.3%
13 Malaysia 1 0.3%
14 Ireland 1 0.3%
15 Thailand 1 0.3%