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 54 52.9%
2 Netherlands 18 17.6%
3 Germany 12 11.8%
4 United States 7 6.9%
5 Russia 2 2%
6 Taiwan 2 2%
7 United Kingdom 2 2%
8 Hong Kong 1 1%
9 Japan 1 1%
10 Macao 1 1%
11 Czech Republic 1 1%
12 Denmark 1 1%