BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 376 34.5%
2 Germany 290 26.6%
3 China 205 18.8%
4 Netherlands 96 8.8%
5 France 41 3.8%
6 Ukraine 14 1.3%
7 Russia 13 1.2%
8 United Kingdom 12 1.1%
9 Canada 8 0.7%
10 Hong Kong 7 0.6%
11 Norway 7 0.6%
12 Japan 4 0.4%
13 India 3 0.3%
14 Malaysia 2 0.2%
15 Nigeria 2 0.2%
16 Romania 2 0.2%
17 Poland 1 0.1%
18 Moldova, Republic of 1 0.1%
19 Saudi Arabia 1 0.1%
20 Singapore 1 0.1%
21 Spain 1 0.1%
22 Sweden 1 0.1%
23 Iran, Islamic Republic of 1 0.1%
24 Estonia 1 0.1%
25 Finland 1 0.1%