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 280 49.8%
2 United States 145 25.8%
3 Germany 35 6.2%
4 Canada 27 4.8%
5 Netherlands 25 4.4%
6 Taiwan 10 1.8%
7 Russia 9 1.6%
8 Australia 6 1.1%
9 Japan 5 0.9%
10 Singapore 4 0.7%
11 Hong Kong 4 0.7%
12 Spain 3 0.5%
13 United Kingdom 2 0.4%
14 Latvia 2 0.4%
15 Luxembourg 2 0.4%
16 Denmark 2 0.4%
17 Malaysia 1 0.2%