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 58 51.3%
2 United States 23 20.4%
3 Netherlands 16 14.2%
4 Mauritius 2 1.8%
5 Moldova, Republic of 2 1.8%
6 Finland 2 1.8%
7 France 2 1.8%
8 Brazil 2 1.8%
9 Turkey 2 1.8%
10 Germany 1 0.9%
11 Hong Kong 1 0.9%
12 Poland 1 0.9%
13 Russia 1 0.9%