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 67 53.2%
2 United States 17 13.5%
3 France 8 6.3%
4 Germany 8 6.3%
5 Netherlands 8 6.3%
6 Poland 3 2.4%
7 Russia 3 2.4%
8 Hong Kong 3 2.4%
9 Japan 3 2.4%
10 South Africa 2 1.6%
11 Czech Republic 2 1.6%
12 Australia 1 0.8%
13 United Arab Emirates 1 0.8%