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 456 40.6%
2 United States 271 24.1%
3 Netherlands 107 9.5%
4 France 61 5.4%
5 Germany 58 5.2%
6 Canada 23 2%
7 Hong Kong 18 1.6%
8 Sweden 17 1.5%
9 Singapore 15 1.3%
10 Korea, Republic of 11 1%
11 United Kingdom 9 0.8%
12 Colombia 8 0.7%
13 Japan 7 0.6%
14 Taiwan 7 0.6%
15 Macao 7 0.6%
16 Russia 5 0.4%
17 Ireland 5 0.4%
18 Czech Republic 4 0.4%
19 Australia 4 0.4%
20 Ukraine 4 0.4%
21 Spain 4 0.4%
22 Iran, Islamic Republic of 3 0.3%
23 India 2 0.2%
24 Luxembourg 2 0.2%
25 Austria 2 0.2%
26 Greece 2 0.2%
27 Poland 2 0.2%
28 Romania 2 0.2%
29 Malaysia 2 0.2%
30 Norway 1 0.1%
31 Switzerland 1 0.1%
32 Viet Nam 1 0.1%
33 Albania 1 0.1%
34 Argentina 1 0.1%