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 549 61.2%
2 United States 144 16.1%
3 Germany 47 5.2%
4 France 43 4.8%
5 Russia 39 4.3%
6 Korea, Republic of 19 2.1%
7 Canada 19 2.1%
8 Singapore 5 0.6%
9 Brazil 4 0.4%
10 Hong Kong 4 0.4%
11 India 4 0.4%
12 Ukraine 3 0.3%
13 United Kingdom 3 0.3%
14 Japan 2 0.2%
15 Albania 2 0.2%
16 Australia 2 0.2%
17 Sweden 2 0.2%
18 Taiwan 2 0.2%
19 Tajikistan 2 0.2%
20 Netherlands 1 0.1%
21 Norway 1 0.1%