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 251 52.8%
2 United States 121 25.5%
3 Germany 35 7.4%
4 Portugal 27 5.7%
5 Canada 13 2.7%
6 Hong Kong 5 1.1%
7 Ireland 5 1.1%
8 Moldova, Republic of 3 0.6%
9 Taiwan 3 0.6%
10 Ukraine 3 0.6%
11 United Kingdom 2 0.4%
12 Australia 2 0.4%
13 Brazil 2 0.4%
14 Korea, Republic of 2 0.4%
15 Russia 1 0.2%