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 64 58.2%
2 United States 13 11.8%
3 Netherlands 9 8.2%
4 Germany 7 6.4%
5 Russia 6 5.5%
6 Brazil 4 3.6%
7 Philippines 2 1.8%
8 Moldova, Republic of 2 1.8%
9 Finland 1 0.9%
10 Turkey 1 0.9%
11 United Kingdom 1 0.9%