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 288 59%
2 United States 139 28.5%
3 Germany 25 5.1%
4 Taiwan 7 1.4%
5 Russia 7 1.4%
6 Netherlands 6 1.2%
7 Japan 2 0.4%
8 Malaysia 2 0.4%
9 Hong Kong 2 0.4%
10 India 2 0.4%
11 France 2 0.4%
12 Belarus 2 0.4%
13 Brazil 1 0.2%
14 Ireland 1 0.2%
15 Singapore 1 0.2%
16 Switzerland 1 0.2%