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 209 61.5%
2 United States 63 18.5%
3 Germany 35 10.3%
4 Australia 5 1.5%
5 Netherlands 5 1.5%
6 France 4 1.2%
7 Hong Kong 3 0.9%
8 India 3 0.9%
9 Russia 3 0.9%
10 Taiwan 2 0.6%
11 United Kingdom 2 0.6%
12 Macao 2 0.6%
13 Malaysia 1 0.3%
14 Japan 1 0.3%
15 Ukraine 1 0.3%
16 Singapore 1 0.3%