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 171 45.4%
2 United States 64 17%
3 Germany 40 10.6%
4 Netherlands 22 5.8%
5 Australia 18 4.8%
6 Malaysia 7 1.9%
7 Japan 7 1.9%
8 Canada 6 1.6%
9 Singapore 5 1.3%
10 Norway 4 1.1%
11 Venezuela, Bolivarian Republic of 4 1.1%
12 Switzerland 3 0.8%
13 Chile 3 0.8%
14 Brazil 3 0.8%
15 Macao 2 0.5%
16 India 2 0.5%
17 Italy 2 0.5%
18 Algeria 2 0.5%
19 Nigeria 2 0.5%
20 Viet Nam 2 0.5%
21 Spain 2 0.5%
22 Sweden 1 0.3%
23 Russia 1 0.3%
24 Turkey 1 0.3%
25 Hong Kong 1 0.3%
26 Ecuador 1 0.3%
27 France 1 0.3%