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 258 44.1%
2 United States 226 38.6%
3 Germany 36 6.2%
4 Taiwan 20 3.4%
5 Hong Kong 12 2.1%
6 Canada 12 2.1%
7 Korea, Republic of 4 0.7%
8 Singapore 4 0.7%
9 Japan 3 0.5%
10 France 2 0.3%
11 Netherlands 2 0.3%
12 Romania 2 0.3%
13 Senegal 2 0.3%
14 Australia 1 0.2%
15 Macao 1 0.2%