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 United States 517 31.1%
2 China 252 15.2%
3 Netherlands 162 9.8%
4 Germany 160 9.6%
5 France 62 3.7%
6 India 50 3%
7 Canada 43 2.6%
8 Egypt 33 2%
9 Korea, Republic of 21 1.3%
10 Russia 19 1.1%
11 Ukraine 18 1.1%
12 Nigeria 17 1%
13 Iran, Islamic Republic of 17 1%
14 United Kingdom 15 0.9%
15 Philippines 15 0.9%
16 Saudi Arabia 14 0.8%
17 Sweden 14 0.8%
18 Norway 14 0.8%
19 Iraq 13 0.8%
20 Malaysia 12 0.7%
21 Pakistan 12 0.7%
22 Turkey 12 0.7%
23 Romania 12 0.7%
24 United Arab Emirates 11 0.7%
25 Viet Nam 11 0.7%
26 Afghanistan 11 0.7%
27 Australia 9 0.5%
28 Singapore 8 0.5%
29 Yemen 7 0.4%
30 Palestine, State of 6 0.4%
31 Bangladesh 6 0.4%
32 Ethiopia 6 0.4%
33 Georgia 6 0.4%
34 Kenya 5 0.3%
35 Portugal 5 0.3%
36 Nepal 4 0.2%
37 Poland 4 0.2%
38 Hong Kong 4 0.2%
39 Ireland 4 0.2%
40 Colombia 4 0.2%
41 Morocco 3 0.2%
42 Oman 3 0.2%
43 South Africa 3 0.2%
44 Spain 3 0.2%
45 Sri Lanka 2 0.1%
46 Trinidad and Tobago 2 0.1%
47 Peru 2 0.1%
48 Slovenia 2 0.1%
49 Somalia 2 0.1%
50 Switzerland 2 0.1%
51 Namibia 2 0.1%
52 Moldova, Republic of 2 0.1%
53 Jordan 2 0.1%
54 Libya 2 0.1%
55 Cambodia 2 0.1%
56 Ecuador 1 0.1%
57 Brazil 1 0.1%
58 Algeria 1 0.1%
59 Japan 1 0.1%
60 Kuwait 1 0.1%
61 Latvia 1 0.1%
62 Ghana 1 0.1%
63 Taiwan 1 0.1%
64 Thailand 1 0.1%
65 Serbia 1 0.1%
66 Seychelles 1 0.1%