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 691 41.4%
2 United States 383 23%
3 Netherlands 155 9.3%
4 South Africa 152 9.1%
5 Germany 112 6.7%
6 France 25 1.5%
7 Hong Kong 20 1.2%
8 Korea, Republic of 19 1.1%
9 Canada 15 0.9%
10 Sweden 15 0.9%
11 Russia 12 0.7%
12 United Kingdom 10 0.6%
13 India 9 0.5%
14 Indonesia 6 0.4%
15 Ireland 6 0.4%
16 Taiwan 6 0.4%
17 Philippines 5 0.3%
18 Spain 4 0.2%
19 Uzbekistan 3 0.2%
20 Japan 3 0.2%
21 Israel 3 0.2%
22 Belgium 2 0.1%
23 Cote D'ivoire 2 0.1%
24 Poland 2 0.1%
25 Malaysia 2 0.1%
26 Moldova, Republic of 1 0.1%
27 Kazakhstan 1 0.1%
28 Ghana 1 0.1%
29 Estonia 1 0.1%
30 Italy 1 0.1%
31 Ukraine 1 0.1%