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 364 55%
2 United States 158 23.9%
3 Germany 48 7.3%
4 Canada 16 2.4%
5 Russia 15 2.3%
6 Denmark 12 1.8%
7 Hong Kong 7 1.1%
8 United Kingdom 6 0.9%
9 Spain 6 0.9%
10 France 4 0.6%
11 Netherlands 4 0.6%
12 Japan 3 0.5%
13 India 3 0.5%
14 Indonesia 2 0.3%
15 Macao 2 0.3%
16 Singapore 2 0.3%
17 Sweden 2 0.3%
18 Thailand 2 0.3%
19 Turkey 2 0.3%
20 Ukraine 1 0.2%
21 Norway 1 0.2%
22 Australia 1 0.2%
23 Czech Republic 1 0.2%