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 235 36.9%
2 United States 189 29.7%
3 Germany 54 8.5%
4 Netherlands 53 8.3%
5 Korea, Republic of 18 2.8%
6 Hong Kong 11 1.7%
7 Russia 10 1.6%
8 Sweden 9 1.4%
9 France 9 1.4%
10 Cote D'ivoire 8 1.3%
11 Japan 6 0.9%
12 Switzerland 5 0.8%
13 Thailand 5 0.8%
14 Canada 4 0.6%
15 Finland 2 0.3%
16 Argentina 2 0.3%
17 Macao 2 0.3%
18 Malaysia 2 0.3%
19 Norway 2 0.3%
20 Poland 2 0.3%
21 Romania 2 0.3%
22 Turkey 2 0.3%
23 United Arab Emirates 1 0.2%
24 Viet Nam 1 0.2%
25 Moldova, Republic of 1 0.2%
26 Brazil 1 0.2%
27 India 1 0.2%