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 308 66.7%
2 United States 63 13.6%
3 Germany 32 6.9%
4 Canada 17 3.7%
5 Taiwan 6 1.3%
6 Hong Kong 6 1.3%
7 Greece 4 0.9%
8 France 2 0.4%
9 Argentina 2 0.4%
10 Sweden 2 0.4%
11 Italy 2 0.4%
12 Malaysia 2 0.4%
13 Netherlands 2 0.4%
14 Russia 2 0.4%
15 Singapore 2 0.4%
16 Venezuela, Bolivarian Republic of 2 0.4%
17 Ukraine 1 0.2%
18 United Kingdom 1 0.2%
19 Slovenia 1 0.2%
20 Switzerland 1 0.2%
21 India 1 0.2%
22 Australia 1 0.2%
23 Austria 1 0.2%
24 Brazil 1 0.2%