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 935 35.3%
2 United States 750 28.3%
3 Netherlands 220 8.3%
4 Germany 193 7.3%
5 Canada 85 3.2%
6 Russia 42 1.6%
7 Korea, Republic of 35 1.3%
8 India 34 1.3%
9 United Kingdom 34 1.3%
10 France 33 1.2%
11 Sweden 33 1.2%
12 Japan 32 1.2%
13 Singapore 24 0.9%
14 Hong Kong 24 0.9%
15 Czech Republic 17 0.6%
16 Brazil 12 0.5%
17 Iran, Islamic Republic of 11 0.4%
18 Greece 11 0.4%
19 Pakistan 10 0.4%
20 Moldova, Republic of 9 0.3%
21 Malaysia 9 0.3%
22 Spain 9 0.3%
23 Ukraine 9 0.3%
24 Slovakia 8 0.3%
25 Finland 8 0.3%
26 Mauritius 7 0.3%
27 Turkey 6 0.2%
28 Australia 6 0.2%
29 Belgium 5 0.2%
30 Argentina 5 0.2%
31 Taiwan 5 0.2%
32 Israel 5 0.2%
33 Italy 5 0.2%
34 Romania 4 0.2%
35 Denmark 4 0.2%
36 Iraq 3 0.1%
37 Egypt 2 0.1%
38 Qatar 2 0.1%
39 Thailand 2 0.1%
40 Poland 1 0%