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 274 43.2%
2 United States 241 38%
3 Germany 35 5.5%
4 Netherlands 29 4.6%
5 Canada 14 2.2%
6 Hong Kong 9 1.4%
7 Macao 7 1.1%
8 Switzerland 4 0.6%
9 United Kingdom 4 0.6%
10 3 0.5%
11 Cambodia 2 0.3%
12 Japan 2 0.3%
13 France 2 0.3%
14 Singapore 2 0.3%
15 Sweden 2 0.3%
16 Moldova, Republic of 1 0.2%
17 Nigeria 1 0.2%
18 Romania 1 0.2%
19 Australia 1 0.2%