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 1982 68.8%
2 United States 322 11.2%
3 Netherlands 210 7.3%
4 Germany 116 4%
5 France 58 2%
6 Russia 45 1.6%
7 Korea, Republic of 40 1.4%
8 Sweden 19 0.7%
9 Hong Kong 12 0.4%
10 Canada 12 0.4%
11 Norway 9 0.3%
12 Iran, Islamic Republic of 8 0.3%
13 United Kingdom 7 0.2%
14 India 6 0.2%
15 Australia 5 0.2%
16 Senegal 5 0.2%
17 Poland 3 0.1%
18 Japan 3 0.1%
19 Macao 2 0.1%
20 Mexico 2 0.1%
21 Ghana 2 0.1%
22 Taiwan 2 0.1%
23 South Africa 2 0.1%
24 Thailand 1 0%
25 Ukraine 1 0%
26 United Arab Emirates 1 0%
27 Portugal 1 0%
28 Singapore 1 0%
29 Greece 1 0%
30 Belgium 1 0%
31 Finland 1 0%
32 New Zealand 1 0%