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 336 56.8%
2 United States 100 16.9%
3 Germany 41 6.9%
4 Netherlands 32 5.4%
5 Hong Kong 18 3%
6 Canada 14 2.4%
7 Japan 9 1.5%
8 Singapore 8 1.4%
9 Korea, Republic of 5 0.8%
10 Australia 4 0.7%
11 Iran, Islamic Republic of 3 0.5%
12 Ireland 3 0.5%
13 Italy 2 0.3%
14 India 2 0.3%
15 Belgium 2 0.3%
16 France 2 0.3%
17 Macao 2 0.3%
18 Moldova, Republic of 2 0.3%
19 Serbia 2 0.3%
20 United Kingdom 2 0.3%
21 Sweden 1 0.2%
22 Switzerland 1 0.2%
23 Brazil 1 0.2%