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 158 61.7%
2 United States 33 12.9%
3 Germany 24 9.4%
4 Singapore 6 2.3%
5 Macao 5 2%
6 Taiwan 5 2%
7 Hong Kong 4 1.6%
8 Canada 4 1.6%
9 Ireland 3 1.2%
10 Italy 2 0.8%
11 Estonia 2 0.8%
12 Ukraine 2 0.8%
13 Viet Nam 2 0.8%
14 Spain 2 0.8%
15 Russia 1 0.4%
16 France 1 0.4%
17 Australia 1 0.4%
18 Korea, Republic of 1 0.4%