BPG致力于知识的发现和传播
总下载次数
2019 | 总下载次数
排名 国家/地区 数量 占比
1 China 4706 44.8%
2 United States 4128 39.3%
3 Canada 687 6.5%
4 Taiwan 212 2%
5 India 159 1.5%
6 Russia 96 0.9%
7 Germany 85 0.8%
8 Japan 80 0.8%
9 Hong Kong 63 0.6%
10 Malaysia 39 0.4%
11 Australia 37 0.4%
12 Singapore 28 0.3%
13 France 23 0.2%
14 United Kingdom 20 0.2%
15 Italy 12 0.1%
16 Viet Nam 11 0.1%
17 Ukraine 10 0.1%
18 Macao 9 0.1%
19 Indonesia 9 0.1%
20 Brazil 8 0.1%
21 Sweden 8 0.1%
22 Iran, Islamic Republic of 7 0.1%
23 Korea, Republic of 7 0.1%
24 Moldova, Republic of 7 0.1%
25 Netherlands 6 0.1%
26 Turkey 5 0%
27 Mexico 4 0%
28 Spain 4 0%
29 Ireland 4 0%
30 Greece 3 0%
31 Denmark 3 0%
32 Morocco 3 0%
33 Switzerland 3 0%
34 Thailand 2 0%
35 Korea, Democratic People's Republic of 2 0%
36 North Korea 2 0%
37 Pakistan 2 0%
38 Croatia 2 0%
39 Finland 1 0%
40 Belarus 1 0%
41 Israel 1 0%
42 Palestine, State of 1 0%
43 Peru 1 0%
44 Philippines 1 0%
45 Romania 1 0%
46 Sri Lanka 1 0%
47 New Zealand 1 0%