BPG致力于知识的发现和传播
总下载次数
2021 | 总下载次数
排名 国家/地区 数量 占比
1 United States 12663 72%
2 China 2257 12.8%
3 Germany 821 4.7%
4 Netherlands 796 4.5%
5 Hong Kong 383 2.2%
6 213 1.2%
7 Canada 103 0.6%
8 Taiwan 81 0.5%
9 Japan 42 0.2%
10 Malaysia 26 0.1%
11 France 25 0.1%
12 Singapore 23 0.1%
13 Australia 17 0.1%
14 Korea, Republic of 12 0.1%
15 Macao 11 0.1%
16 United Kingdom 11 0.1%
17 Russia 10 0.1%
18 New Zealand 8 0%
19 Turkey 7 0%
20 Sweden 5 0%
21 Slovenia 4 0%
22 Philippines 4 0%
23 India 4 0%
24 Bangladesh 4 0%
25 Brazil 4 0%
26 Ecuador 3 0%
27 Egypt 3 0%
28 Finland 3 0%
29 Colombia 3 0%
30 Peru 3 0%
31 Spain 3 0%
32 Tunisia 2 0%
33 Moldova, Republic of 2 0%
34 Viet Nam 2 0%
35 Denmark 2 0%
36 Iraq 2 0%
37 Ireland 2 0%
38 Ghana 2 0%
39 Greece 1 0%
40 Korea, Democratic People's Republic of 1 0%
41 Lebanon 1 0%
42 Luxembourg 1 0%
43 Mauritius 1 0%
44 Mexico 1 0%
45 Israel 1 0%
46 Italy 1 0%
47 Indonesia 1 0%
48 Iran, Islamic Republic of 1 0%
49 Cote D'ivoire 1 0%
50 Croatia 1 0%
51 Cambodia 1 0%
52 Chile 1 0%
53 Algeria 1 0%
54 Venezuela, Bolivarian Republic of 1 0%
55 Portugal 1 0%
56 Saudi Arabia 1 0%
57 Seychelles 1 0%
58 Ukraine 1 0%
59 Thailand 1 0%