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 366 76.4%
2 United States 50 10.4%
3 Germany 26 5.4%
4 Canada 11 2.3%
5 United Kingdom 5 1%
6 Netherlands 3 0.6%
7 Philippines 3 0.6%
8 Russia 2 0.4%
9 Singapore 2 0.4%
10 France 2 0.4%
11 Hong Kong 2 0.4%
12 Malaysia 2 0.4%
13 Moldova, Republic of 2 0.4%
14 Australia 1 0.2%
15 Ukraine 1 0.2%
16 Romania 1 0.2%