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 26 38.2%
2 United States 8 11.8%
3 Germany 6 8.8%
4 Netherlands 6 8.8%
5 United Kingdom 5 7.4%
6 Hong Kong 4 5.9%
7 Italy 3 4.4%
8 Russia 2 2.9%
9 Saudi Arabia 2 2.9%
10 Turkey 1 1.5%
11 Moldova, Republic of 1 1.5%
12 Poland 1 1.5%
13 Romania 1 1.5%
14 Australia 1 1.5%
15 Austria 1 1.5%