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 United States 31 32.3%
2 Germany 25 26%
3 Netherlands 20 20.8%
4 China 8 8.3%
5 Hong Kong 5 5.2%
6 Brazil 2 2.1%
7 France 2 2.1%
8 Czech Republic 1 1%
9 Mauritius 1 1%
10 Russia 1 1%