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 317 67.3%
2 United States 86 18.3%
3 Germany 40 8.5%
4 Canada 10 2.1%
5 Hong Kong 6 1.3%
6 Ireland 3 0.6%
7 Brazil 2 0.4%
8 Turkey 2 0.4%
9 United Kingdom 1 0.2%
10 Italy 1 0.2%
11 Moldova, Republic of 1 0.2%
12 Netherlands 1 0.2%
13 Russia 1 0.2%