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 240 54.3%
2 United States 121 27.4%
3 Germany 29 6.6%
4 Canada 15 3.4%
5 Hong Kong 8 1.8%
6 Australia 5 1.1%
7 Singapore 3 0.7%
8 South Africa 3 0.7%
9 Turkey 3 0.7%
10 France 2 0.5%
11 Austria 2 0.5%
12 Japan 2 0.5%
13 Malaysia 2 0.5%
14 Netherlands 2 0.5%
15 Russia 2 0.5%
16 Serbia 2 0.5%
17 Czech Republic 1 0.2%