BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 Netherlands 24 34.8%
2 China 11 15.9%
3 Germany 10 14.5%
4 United States 7 10.1%
5 Taiwan 5 7.2%
6 Hong Kong 3 4.3%
7 Russia 3 4.3%
8 France 2 2.9%
9 United Kingdom 1 1.4%
10 Finland 1 1.4%
11 India 1 1.4%
12 Moldova, Republic of 1 1.4%