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 297 61.9%
2 United States 110 22.9%
3 Germany 31 6.5%
4 Hong Kong 13 2.7%
5 Japan 4 0.8%
6 France 4 0.8%
7 Viet Nam 3 0.6%
8 Russia 3 0.6%
9 Singapore 3 0.6%
10 Macao 2 0.4%
11 Netherlands 2 0.4%
12 Algeria 2 0.4%
13 Australia 2 0.4%
14 Canada 2 0.4%
15 Korea, Republic of 1 0.2%
16 Taiwan 1 0.2%