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 177 66.5%
2 United States 44 16.5%
3 Germany 34 12.8%
4 France 2 0.8%
5 Ireland 2 0.8%
6 Korea, Republic of 1 0.4%
7 Moldova, Republic of 1 0.4%
8 Netherlands 1 0.4%
9 Russia 1 0.4%
10 Singapore 1 0.4%
11 Turkey 1 0.4%
12 Hong Kong 1 0.4%