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 296 73.8%
2 United States 46 11.5%
3 Germany 44 11%
4 Ukraine 3 0.7%
5 Singapore 2 0.5%
6 Macao 2 0.5%
7 Moldova, Republic of 2 0.5%
8 New Zealand 1 0.2%
9 Bangladesh 1 0.2%
10 Canada 1 0.2%
11 Hong Kong 1 0.2%
12 Ireland 1 0.2%
13 Taiwan 1 0.2%