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 353 47.9%
2 United States 140 19%
3 Netherlands 95 12.9%
4 Germany 60 8.1%
5 Taiwan 26 3.5%
6 Canada 19 2.6%
7 France 7 0.9%
8 Australia 6 0.8%
9 Thailand 5 0.7%
10 Singapore 4 0.5%
11 Hong Kong 4 0.5%
12 Russia 3 0.4%
13 United Kingdom 3 0.4%
14 Switzerland 2 0.3%
15 Norway 2 0.3%
16 Ukraine 2 0.3%
17 India 2 0.3%
18 Korea, Republic of 2 0.3%
19 Finland 1 0.1%
20 Spain 1 0.1%