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 49.5%
2 United States 61 19.7%
3 Germany 34 11%
4 Netherlands 23 7.4%
5 Canada 19 6.1%
6 Hong Kong 4 1.3%
7 Russia 3 1%
8 Turkey 3 1%
9 United Kingdom 2 0.6%
10 Japan 2 0.6%
11 Albania 2 0.6%
12 Romania 2 0.6%
13 Kazakhstan 1 0.3%