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 228 54.3%
2 United States 129 30.7%
3 Germany 27 6.4%
4 Canada 14 3.3%
5 India 4 1%
6 Austria 3 0.7%
7 Australia 2 0.5%
8 Hong Kong 2 0.5%
9 Singapore 2 0.5%
10 Turkey 2 0.5%
11 Sri Lanka 1 0.2%
12 Bangladesh 1 0.2%
13 Luxembourg 1 0.2%
14 Mauritius 1 0.2%
15 Nigeria 1 0.2%
16 Romania 1 0.2%
17 Russia 1 0.2%