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 153 43.6%
2 United States 145 41.3%
3 Germany 33 9.4%
4 Russia 4 1.1%
5 Taiwan 4 1.1%
6 Hungary 3 0.9%
7 Singapore 2 0.6%
8 Hong Kong 2 0.6%
9 Indonesia 1 0.3%
10 Moldova, Republic of 1 0.3%
11 Netherlands 1 0.3%
12 Romania 1 0.3%
13 Turkey 1 0.3%